25122279

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4001}}^1$

素因数の和:4047

約数の個数: 32

約数和(自身を含む): 43029504

約数和(自身を除く): 17907225

約数列:

[1, 3, 7, 13, 21, 23, 39, 69, 91, 161, 273, 299, 483, 897, 2093, 4001, 6279, 12003, 28007, 52013, 84021, 92023, 156039, 276069, 364091, 644161, 1092273, 1196299, 1932483, 3588897, 8374093, 25122279]

約数ペア:

[(1, 25122279), (3, 8374093), (7, 3588897), (13, 1932483), (21, 1196299), (23, 1092273), (39, 644161), (69, 364091), (91, 276069), (161, 156039), (273, 92023), (299, 84021), (483, 52013), (897, 28007), (2093, 12003), (4001, 6279)]