31538085

素因数分解:

$3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 51667200

約数和(自身を除く): 20129115

約数列:

[1, 3, 5, 15, 103, 137, 149, 309, 411, 447, 515, 685, 745, 1545, 2055, 2235, 14111, 15347, 20413, 42333, 46041, 61239, 70555, 76735, 102065, 211665, 230205, 306195, 2102539, 6307617, 10512695, 31538085]

約数ペア:

[(1, 31538085), (3, 10512695), (5, 6307617), (15, 2102539), (103, 306195), (137, 230205), (149, 211665), (309, 102065), (411, 76735), (447, 70555), (515, 61239), (685, 46041), (745, 42333), (1545, 20413), (2055, 15347), (2235, 14111)]