81909798

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{661}}^1\times {\mathrm{1087}}^1$

素因数の和:1772

約数の個数: 32

約数和(自身を含む): 172861440

約数和(自身を除く): 90951642

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 661, 1087, 1322, 1983, 2174, 3261, 3966, 6522, 12559, 20653, 25118, 37677, 41306, 61959, 75354, 123918, 718507, 1437014, 2155521, 4311042, 13651633, 27303266, 40954899, 81909798]

約数ペア:

[(1, 81909798), (2, 40954899), (3, 27303266), (6, 13651633), (19, 4311042), (38, 2155521), (57, 1437014), (114, 718507), (661, 123918), (1087, 75354), (1322, 61959), (1983, 41306), (2174, 37677), (3261, 25118), (3966, 20653), (6522, 12559)]