155565543

素因数分解:

$3^1\times 7^2\times {\mathrm{821}}^1\times {\mathrm{1289}}^1$

素因数の和:2127

約数の個数: 24

約数和(自身を含む): 241766640

約数和(自身を除く): 86201097

約数列:

[1, 3, 7, 21, 49, 147, 821, 1289, 2463, 3867, 5747, 9023, 17241, 27069, 40229, 63161, 120687, 189483, 1058269, 3174807, 7407883, 22223649, 51855181, 155565543]

約数ペア:

[(1, 155565543), (3, 51855181), (7, 22223649), (21, 7407883), (49, 3174807), (147, 1058269), (821, 189483), (1289, 120687), (2463, 63161), (3867, 40229), (5747, 27069), (9023, 17241)]