81213255

素因数分解:

$3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{8093}}^1$

素因数の和:8327

約数の個数: 24

約数和(自身を含む): 141418368

約数和(自身を除く): 60205113

約数列:

[1, 3, 5, 9, 15, 45, 223, 669, 1115, 2007, 3345, 8093, 10035, 24279, 40465, 72837, 121395, 364185, 1804739, 5414217, 9023695, 16242651, 27071085, 81213255]

約数ペア:

[(1, 81213255), (3, 27071085), (5, 16242651), (9, 9023695), (15, 5414217), (45, 1804739), (223, 364185), (669, 121395), (1115, 72837), (2007, 40465), (3345, 24279), (8093, 10035)]