71811279

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1609}}^1$

素因数の和:1669

約数の個数: 40

約数和(自身を含む): 116886000

約数和(自身を除く): 45074721

約数列:

[1, 3, 9, 19, 27, 29, 57, 81, 87, 171, 261, 513, 551, 783, 1539, 1609, 1653, 2349, 4827, 4959, 14481, 14877, 30571, 43443, 44631, 46661, 91713, 130329, 139983, 275139, 419949, 825417, 886559, 1259847, 2476251, 2659677, 3779541, 7979031, 23937093, 71811279]

約数ペア:

[(1, 71811279), (3, 23937093), (9, 7979031), (19, 3779541), (27, 2659677), (29, 2476251), (57, 1259847), (81, 886559), (87, 825417), (171, 419949), (261, 275139), (513, 139983), (551, 130329), (783, 91713), (1539, 46661), (1609, 44631), (1653, 43443), (2349, 30571), (4827, 14877), (4959, 14481)]