71983491

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{563}}^1$

素因数の和:715

約数の個数: 32

約数和(自身を含む): 107205120

約数和(自身を除く): 35221629

約数列:

[1, 3, 17, 23, 51, 69, 109, 327, 391, 563, 1173, 1689, 1853, 2507, 5559, 7521, 9571, 12949, 28713, 38847, 42619, 61367, 127857, 184101, 220133, 660399, 1043239, 1411441, 3129717, 4234323, 23994497, 71983491]

約数ペア:

[(1, 71983491), (3, 23994497), (17, 4234323), (23, 3129717), (51, 1411441), (69, 1043239), (109, 660399), (327, 220133), (391, 184101), (563, 127857), (1173, 61367), (1689, 42619), (1853, 38847), (2507, 28713), (5559, 12949), (7521, 9571)]