78996525

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{557}}^1$

素因数の和:662

約数の個数: 48

約数和(自身を含む): 137276928

約数和(自身を除く): 58280403

約数列:

[1, 3, 5, 15, 25, 31, 61, 75, 93, 155, 183, 305, 465, 557, 775, 915, 1525, 1671, 1891, 2325, 2785, 4575, 5673, 8355, 9455, 13925, 17267, 28365, 33977, 41775, 47275, 51801, 86335, 101931, 141825, 169885, 259005, 431675, 509655, 849425, 1053287, 1295025, 2548275, 3159861, 5266435, 15799305, 26332175, 78996525]

約数ペア:

[(1, 78996525), (3, 26332175), (5, 15799305), (15, 5266435), (25, 3159861), (31, 2548275), (61, 1295025), (75, 1053287), (93, 849425), (155, 509655), (183, 431675), (305, 259005), (465, 169885), (557, 141825), (775, 101931), (915, 86335), (1525, 51801), (1671, 47275), (1891, 41775), (2325, 33977), (2785, 28365), (4575, 17267), (5673, 13925), (8355, 9455)]