280180341

素因数分解:

$3^2\times 7^1\times {\mathrm{349}}^1\times {\mathrm{12743}}^1$

素因数の和:13105

約数の個数: 24

約数和(自身を含む): 463881600

約数和(自身を除く): 183701259

約数列:

[1, 3, 7, 9, 21, 63, 349, 1047, 2443, 3141, 7329, 12743, 21987, 38229, 89201, 114687, 267603, 802809, 4447307, 13341921, 31131149, 40025763, 93393447, 280180341]

約数ペア:

[(1, 280180341), (3, 93393447), (7, 40025763), (9, 31131149), (21, 13341921), (63, 4447307), (349, 802809), (1047, 267603), (2443, 114687), (3141, 89201), (7329, 38229), (12743, 21987)]