75521115

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1259}}^1$

素因数の和:1344

約数の個数: 48

約数和(自身を含む): 138378240

約数和(自身を除く): 62857125

約数列:

[1, 3, 5, 9, 15, 31, 43, 45, 93, 129, 155, 215, 279, 387, 465, 645, 1259, 1333, 1395, 1935, 3777, 3999, 6295, 6665, 11331, 11997, 18885, 19995, 39029, 54137, 56655, 59985, 117087, 162411, 195145, 270685, 351261, 487233, 585435, 812055, 1678247, 1756305, 2436165, 5034741, 8391235, 15104223, 25173705, 75521115]

約数ペア:

[(1, 75521115), (3, 25173705), (5, 15104223), (9, 8391235), (15, 5034741), (31, 2436165), (43, 1756305), (45, 1678247), (93, 812055), (129, 585435), (155, 487233), (215, 351261), (279, 270685), (387, 195145), (465, 162411), (645, 117087), (1259, 59985), (1333, 56655), (1395, 54137), (1935, 39029), (3777, 19995), (3999, 18885), (6295, 11997), (6665, 11331)]