72149973

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{857}}^1$

素因数の和:1097

約数の個数: 32

約数和(自身を含む): 116413440

約数和(自身を除く): 44263467

約数列:

[1, 3, 7, 19, 21, 57, 133, 211, 399, 633, 857, 1477, 2571, 4009, 4431, 5999, 12027, 16283, 17997, 28063, 48849, 84189, 113981, 180827, 341943, 542481, 1265789, 3435713, 3797367, 10307139, 24049991, 72149973]

約数ペア:

[(1, 72149973), (3, 24049991), (7, 10307139), (19, 3797367), (21, 3435713), (57, 1265789), (133, 542481), (211, 341943), (399, 180827), (633, 113981), (857, 84189), (1477, 48849), (2571, 28063), (4009, 17997), (4431, 16283), (5999, 12027)]