61221125

素因数分解:

$5^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:151

約数の個数: 64

約数和(自身を含む): 94089216

約数和(自身を除く): 32868091

約数列:

[1, 5, 7, 25, 31, 35, 37, 61, 125, 155, 175, 185, 217, 259, 305, 427, 775, 875, 925, 1085, 1147, 1295, 1525, 1891, 2135, 2257, 3875, 4625, 5425, 5735, 6475, 7625, 8029, 9455, 10675, 11285, 13237, 15799, 27125, 28675, 32375, 40145, 47275, 53375, 56425, 66185, 69967, 78995, 143375, 200725, 236375, 282125, 330925, 349835, 394975, 489769, 1003625, 1654625, 1749175, 1974875, 2448845, 8745875, 12244225, 61221125]

約数ペア:

[(1, 61221125), (5, 12244225), (7, 8745875), (25, 2448845), (31, 1974875), (35, 1749175), (37, 1654625), (61, 1003625), (125, 489769), (155, 394975), (175, 349835), (185, 330925), (217, 282125), (259, 236375), (305, 200725), (427, 143375), (775, 78995), (875, 69967), (925, 66185), (1085, 56425), (1147, 53375), (1295, 47275), (1525, 40145), (1891, 32375), (2135, 28675), (2257, 27125), (3875, 15799), (4625, 13237), (5425, 11285), (5735, 10675), (6475, 9455), (7625, 8029)]