15975675

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:173

約数の個数: 72

約数和(自身を含む): 31240560

約数和(自身を除く): 15264885

約数列:

[1, 3, 5, 9, 15, 19, 25, 37, 45, 57, 75, 95, 101, 111, 171, 185, 225, 285, 303, 333, 475, 505, 555, 703, 855, 909, 925, 1425, 1515, 1665, 1919, 2109, 2525, 2775, 3515, 3737, 4275, 4545, 5757, 6327, 7575, 8325, 9595, 10545, 11211, 17271, 17575, 18685, 22725, 28785, 31635, 33633, 47975, 52725, 56055, 71003, 86355, 93425, 143925, 158175, 168165, 213009, 280275, 355015, 431775, 639027, 840825, 1065045, 1775075, 3195135, 5325225, 15975675]

約数ペア:

[(1, 15975675), (3, 5325225), (5, 3195135), (9, 1775075), (15, 1065045), (19, 840825), (25, 639027), (37, 431775), (45, 355015), (57, 280275), (75, 213009), (95, 168165), (101, 158175), (111, 143925), (171, 93425), (185, 86355), (225, 71003), (285, 56055), (303, 52725), (333, 47975), (475, 33633), (505, 31635), (555, 28785), (703, 22725), (855, 18685), (909, 17575), (925, 17271), (1425, 11211), (1515, 10545), (1665, 9595), (1919, 8325), (2109, 7575), (2525, 6327), (2775, 5757), (3515, 4545), (3737, 4275)]