65420325

素因数分解:

$3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{5101}}^1$

素因数の和:5139

約数の個数: 48

約数和(自身を含む): 126529600

約数和(自身を除く): 61109275

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 95, 135, 171, 225, 285, 475, 513, 675, 855, 1425, 2565, 4275, 5101, 12825, 15303, 25505, 45909, 76515, 96919, 127525, 137727, 229545, 290757, 382575, 484595, 688635, 872271, 1147725, 1453785, 2422975, 2616813, 3443175, 4361355, 7268925, 13084065, 21806775, 65420325]

約数ペア:

[(1, 65420325), (3, 21806775), (5, 13084065), (9, 7268925), (15, 4361355), (19, 3443175), (25, 2616813), (27, 2422975), (45, 1453785), (57, 1147725), (75, 872271), (95, 688635), (135, 484595), (171, 382575), (225, 290757), (285, 229545), (475, 137727), (513, 127525), (675, 96919), (855, 76515), (1425, 45909), (2565, 25505), (4275, 15303), (5101, 12825)]