81222015

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{24953}}^1$

素因数の和:24999

約数の個数: 32

約数和(自身を含む): 153317376

約数和(自身を除く): 72095361

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 93, 105, 155, 217, 465, 651, 1085, 3255, 24953, 74859, 124765, 174671, 374295, 524013, 773543, 873355, 2320629, 2620065, 3867715, 5414801, 11603145, 16244403, 27074005, 81222015]

約数ペア:

[(1, 81222015), (3, 27074005), (5, 16244403), (7, 11603145), (15, 5414801), (21, 3867715), (31, 2620065), (35, 2320629), (93, 873355), (105, 773543), (155, 524013), (217, 374295), (465, 174671), (651, 124765), (1085, 74859), (3255, 24953)]