3959847

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:145

約数の個数: 40

約数和(自身を含む): 6504960

約数和(自身を除く): 2545113

約数列:

[1, 3, 9, 19, 27, 31, 57, 81, 83, 93, 171, 249, 279, 513, 589, 747, 837, 1539, 1577, 1767, 2241, 2511, 2573, 4731, 5301, 6723, 7719, 14193, 15903, 23157, 42579, 47709, 48887, 69471, 127737, 146661, 208413, 439983, 1319949, 3959847]

約数ペア:

[(1, 3959847), (3, 1319949), (9, 439983), (19, 208413), (27, 146661), (31, 127737), (57, 69471), (81, 48887), (83, 47709), (93, 42579), (171, 23157), (249, 15903), (279, 14193), (513, 7719), (589, 6723), (747, 5301), (837, 4731), (1539, 2573), (1577, 2511), (1767, 2241)]