289921947

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{336727}}^1$

素因数の和:336778

約数の個数: 16

約数和(自身を含む): 452562432

約数和(自身を除く): 162640485

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 336727, 1010181, 2357089, 7071267, 13805807, 41417421, 96640649, 289921947]

約数ペア:

[(1, 289921947), (3, 96640649), (7, 41417421), (21, 13805807), (41, 7071267), (123, 2357089), (287, 1010181), (861, 336727)]