155017555

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{2939}}^1$

素因数の和:3099

約数の個数: 32

約数和(自身を含む): 233694720

約数和(自身を除く): 78677165

約数列:

[1, 5, 7, 11, 35, 55, 77, 137, 385, 685, 959, 1507, 2939, 4795, 7535, 10549, 14695, 20573, 32329, 52745, 102865, 161645, 226303, 402643, 1131515, 2013215, 2818501, 4429073, 14092505, 22145365, 31003511, 155017555]

約数ペア:

[(1, 155017555), (5, 31003511), (7, 22145365), (11, 14092505), (35, 4429073), (55, 2818501), (77, 2013215), (137, 1131515), (385, 402643), (685, 226303), (959, 161645), (1507, 102865), (2939, 52745), (4795, 32329), (7535, 20573), (10549, 14695)]