81518490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{905761}}^1$

素因数の和:905774

約数の個数: 24

約数和(自身を含む): 211948308

約数和(自身を除く): 130429818

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 905761, 1811522, 2717283, 4528805, 5434566, 8151849, 9057610, 13586415, 16303698, 27172830, 40759245, 81518490]

約数ペア:

[(1, 81518490), (2, 40759245), (3, 27172830), (5, 16303698), (6, 13586415), (9, 9057610), (10, 8151849), (15, 5434566), (18, 4528805), (30, 2717283), (45, 1811522), (90, 905761)]