81028854

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{145213}}^1$

素因数の和:145252

約数の個数: 24

約数和(自身を含む): 181227072

約数和(自身を除く): 100198218

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 558, 145213, 290426, 435639, 871278, 1306917, 2613834, 4501603, 9003206, 13504809, 27009618, 40514427, 81028854]

約数ペア:

[(1, 81028854), (2, 40514427), (3, 27009618), (6, 13504809), (9, 9003206), (18, 4501603), (31, 2613834), (62, 1306917), (93, 871278), (186, 435639), (279, 290426), (558, 145213)]