139191381

素因数分解:

$3^2\times 7^1\times {\mathrm{419}}^1\times {\mathrm{5273}}^1$

素因数の和:5705

約数の個数: 24

約数和(自身を含む): 230368320

約数和(自身を除く): 91176939

約数列:

[1, 3, 7, 9, 21, 63, 419, 1257, 2933, 3771, 5273, 8799, 15819, 26397, 36911, 47457, 110733, 332199, 2209387, 6628161, 15465709, 19884483, 46397127, 139191381]

約数ペア:

[(1, 139191381), (3, 46397127), (7, 19884483), (9, 15465709), (21, 6628161), (63, 2209387), (419, 332199), (1257, 110733), (2933, 47457), (3771, 36911), (5273, 26397), (8799, 15819)]