72974985

素因数分解:

$3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1\times {\mathrm{317}}^1$

素因数の和:577

約数の個数: 32

約数和(自身を含む): 119059200

約数和(自身を除く): 46084215

約数列:

[1, 3, 5, 15, 103, 149, 309, 317, 447, 515, 745, 951, 1545, 1585, 2235, 4755, 15347, 32651, 46041, 47233, 76735, 97953, 141699, 163255, 230205, 236165, 489765, 708495, 4864999, 14594997, 24324995, 72974985]

約数ペア:

[(1, 72974985), (3, 24324995), (5, 14594997), (15, 4864999), (103, 708495), (149, 489765), (309, 236165), (317, 230205), (447, 163255), (515, 141699), (745, 97953), (951, 76735), (1545, 47233), (1585, 46041), (2235, 32651), (4755, 15347)]