2918175

素因数分解:

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

素因数の和:140

約数の個数: 48

約数和(自身を含む): 5395488

約数和(自身を除く): 2477313

約数列:

[1, 3, 5, 13, 15, 25, 39, 41, 65, 73, 75, 123, 195, 205, 219, 325, 365, 533, 615, 949, 975, 1025, 1095, 1599, 1825, 2665, 2847, 2993, 3075, 4745, 5475, 7995, 8979, 13325, 14235, 14965, 23725, 38909, 39975, 44895, 71175, 74825, 116727, 194545, 224475, 583635, 972725, 2918175]

約数ペア:

[(1, 2918175), (3, 972725), (5, 583635), (13, 224475), (15, 194545), (25, 116727), (39, 74825), (41, 71175), (65, 44895), (73, 39975), (75, 38909), (123, 23725), (195, 14965), (205, 14235), (219, 13325), (325, 8979), (365, 7995), (533, 5475), (615, 4745), (949, 3075), (975, 2993), (1025, 2847), (1095, 2665), (1599, 1825)]