81123030

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{901367}}^1$

素因数の和:901380

約数の個数: 24

約数和(自身を含む): 210920112

約数和(自身を除く): 129797082

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 901367, 1802734, 2704101, 4506835, 5408202, 8112303, 9013670, 13520505, 16224606, 27041010, 40561515, 81123030]

約数ペア:

[(1, 81123030), (2, 40561515), (3, 27041010), (5, 16224606), (6, 13520505), (9, 9013670), (10, 8112303), (15, 5408202), (18, 4506835), (30, 2704101), (45, 1802734), (90, 901367)]