31610475

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:237

約数の個数: 72

約数和(自身を含む): 62152272

約数和(自身を除く): 30541797

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 101, 107, 117, 195, 225, 303, 321, 325, 505, 535, 585, 909, 963, 975, 1313, 1391, 1515, 1605, 2525, 2675, 2925, 3939, 4173, 4545, 4815, 6565, 6955, 7575, 8025, 10807, 11817, 12519, 19695, 20865, 22725, 24075, 32421, 32825, 34775, 54035, 59085, 62595, 97263, 98475, 104325, 140491, 162105, 270175, 295425, 312975, 421473, 486315, 702455, 810525, 1264419, 2107365, 2431575, 3512275, 6322095, 10536825, 31610475]

約数ペア:

[(1, 31610475), (3, 10536825), (5, 6322095), (9, 3512275), (13, 2431575), (15, 2107365), (25, 1264419), (39, 810525), (45, 702455), (65, 486315), (75, 421473), (101, 312975), (107, 295425), (117, 270175), (195, 162105), (225, 140491), (303, 104325), (321, 98475), (325, 97263), (505, 62595), (535, 59085), (585, 54035), (909, 34775), (963, 32825), (975, 32421), (1313, 24075), (1391, 22725), (1515, 20865), (1605, 19695), (2525, 12519), (2675, 11817), (2925, 10807), (3939, 8025), (4173, 7575), (4545, 6955), (4815, 6565)]