61281675

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:150

約数の個数: 144

約数和(自身を含む): 140282688

約数和(自身を除く): 79001013

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 25, 35, 39, 41, 45, 63, 65, 73, 75, 91, 105, 117, 123, 175, 195, 205, 219, 225, 273, 287, 315, 325, 365, 369, 455, 511, 525, 533, 585, 615, 657, 819, 861, 949, 975, 1025, 1095, 1365, 1435, 1533, 1575, 1599, 1825, 1845, 2275, 2555, 2583, 2665, 2847, 2925, 2993, 3075, 3285, 3731, 4095, 4305, 4599, 4745, 4797, 5475, 6643, 6825, 7175, 7665, 7995, 8541, 8979, 9225, 11193, 12775, 12915, 13325, 14235, 14965, 16425, 18655, 19929, 20475, 20951, 21525, 22995, 23725, 23985, 26937, 33215, 33579, 38325, 38909, 39975, 42705, 44895, 55965, 59787, 62853, 64575, 71175, 74825, 93275, 99645, 104755, 114975, 116727, 119925, 134685, 166075, 167895, 188559, 194545, 213525, 224475, 272363, 279825, 298935, 314265, 350181, 498225, 523775, 583635, 673425, 817089, 839475, 942795, 972725, 1361815, 1494675, 1571325, 1750905, 2451267, 2918175, 4085445, 4713975, 6809075, 8754525, 12256335, 20427225, 61281675]

約数ペア:

[(1, 61281675), (3, 20427225), (5, 12256335), (7, 8754525), (9, 6809075), (13, 4713975), (15, 4085445), (21, 2918175), (25, 2451267), (35, 1750905), (39, 1571325), (41, 1494675), (45, 1361815), (63, 972725), (65, 942795), (73, 839475), (75, 817089), (91, 673425), (105, 583635), (117, 523775), (123, 498225), (175, 350181), (195, 314265), (205, 298935), (219, 279825), (225, 272363), (273, 224475), (287, 213525), (315, 194545), (325, 188559), (365, 167895), (369, 166075), (455, 134685), (511, 119925), (525, 116727), (533, 114975), (585, 104755), (615, 99645), (657, 93275), (819, 74825), (861, 71175), (949, 64575), (975, 62853), (1025, 59787), (1095, 55965), (1365, 44895), (1435, 42705), (1533, 39975), (1575, 38909), (1599, 38325), (1825, 33579), (1845, 33215), (2275, 26937), (2555, 23985), (2583, 23725), (2665, 22995), (2847, 21525), (2925, 20951), (2993, 20475), (3075, 19929), (3285, 18655), (3731, 16425), (4095, 14965), (4305, 14235), (4599, 13325), (4745, 12915), (4797, 12775), (5475, 11193), (6643, 9225), (6825, 8979), (7175, 8541), (7665, 7995)]