397364457

素因数分解:

$3^1\times 7^1\times {\mathrm{1667}}^1\times {\mathrm{11351}}^1$

素因数の和:13028

約数の個数: 16

約数和(自身を含む): 605924352

約数和(自身を除く): 208559895

約数列:

[1, 3, 7, 21, 1667, 5001, 11351, 11669, 34053, 35007, 79457, 238371, 18922117, 56766351, 132454819, 397364457]

約数ペア:

[(1, 397364457), (3, 132454819), (7, 56766351), (21, 18922117), (1667, 238371), (5001, 79457), (11351, 35007), (11669, 34053)]