289431639

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{77867}}^1$

素因数の和:77939

約数の個数: 24

約数和(自身を含む): 485896320

約数和(自身を除く): 196464681

約数列:

[1, 3, 7, 9, 21, 59, 63, 177, 413, 531, 1239, 3717, 77867, 233601, 545069, 700803, 1635207, 4594153, 4905621, 13782459, 32159071, 41347377, 96477213, 289431639]

約数ペア:

[(1, 289431639), (3, 96477213), (7, 41347377), (9, 32159071), (21, 13782459), (59, 4905621), (63, 4594153), (177, 1635207), (413, 700803), (531, 545069), (1239, 233601), (3717, 77867)]