82070709

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1997}}^1$

素因数の和:2129

約数の個数: 32

約数和(自身を含む): 132986880

約数和(自身を除く): 50916171

約数列:

[1, 3, 7, 19, 21, 57, 103, 133, 309, 399, 721, 1957, 1997, 2163, 5871, 5991, 13699, 13979, 37943, 41097, 41937, 113829, 205691, 265601, 617073, 796803, 1439837, 3908129, 4319511, 11724387, 27356903, 82070709]

約数ペア:

[(1, 82070709), (3, 27356903), (7, 11724387), (19, 4319511), (21, 3908129), (57, 1439837), (103, 796803), (133, 617073), (309, 265601), (399, 205691), (721, 113829), (1957, 41937), (1997, 41097), (2163, 37943), (5871, 13979), (5991, 13699)]