131887275

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:225

約数の個数: 96

約数和(自身を含む): 254358720

約数和(自身を除く): 122471445

約数列:

[1, 3, 5, 13, 15, 17, 25, 39, 51, 65, 73, 75, 85, 109, 195, 219, 221, 255, 325, 327, 365, 425, 545, 663, 949, 975, 1095, 1105, 1241, 1275, 1417, 1635, 1825, 1853, 2725, 2847, 3315, 3723, 4251, 4745, 5475, 5525, 5559, 6205, 7085, 7957, 8175, 9265, 14235, 16133, 16575, 18615, 21255, 23725, 23871, 24089, 27795, 31025, 35425, 39785, 46325, 48399, 71175, 72267, 80665, 93075, 103441, 106275, 119355, 120445, 135269, 138975, 198925, 241995, 310323, 361335, 403325, 405807, 517205, 596775, 602225, 676345, 1209975, 1551615, 1758497, 1806675, 2029035, 2586025, 3381725, 5275491, 7758075, 8792485, 10145175, 26377455, 43962425, 131887275]

約数ペア:

[(1, 131887275), (3, 43962425), (5, 26377455), (13, 10145175), (15, 8792485), (17, 7758075), (25, 5275491), (39, 3381725), (51, 2586025), (65, 2029035), (73, 1806675), (75, 1758497), (85, 1551615), (109, 1209975), (195, 676345), (219, 602225), (221, 596775), (255, 517205), (325, 405807), (327, 403325), (365, 361335), (425, 310323), (545, 241995), (663, 198925), (949, 138975), (975, 135269), (1095, 120445), (1105, 119355), (1241, 106275), (1275, 103441), (1417, 93075), (1635, 80665), (1825, 72267), (1853, 71175), (2725, 48399), (2847, 46325), (3315, 39785), (3723, 35425), (4251, 31025), (4745, 27795), (5475, 24089), (5525, 23871), (5559, 23725), (6205, 21255), (7085, 18615), (7957, 16575), (8175, 16133), (9265, 14235)]