81391818

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{1951}}^1$

素因数の和:2382

約数の個数: 32

約数和(自身を含む): 172869120

約数和(自身を除く): 91477302

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 409, 818, 1227, 1951, 2454, 3902, 5853, 6953, 11706, 13906, 20859, 33167, 41718, 66334, 99501, 199002, 797959, 1595918, 2393877, 4787754, 13565303, 27130606, 40695909, 81391818]

約数ペア:

[(1, 81391818), (2, 40695909), (3, 27130606), (6, 13565303), (17, 4787754), (34, 2393877), (51, 1595918), (102, 797959), (409, 199002), (818, 99501), (1227, 66334), (1951, 41718), (2454, 33167), (3902, 20859), (5853, 13906), (6953, 11706)]