81725105

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{2687}}^1$

素因数の和:2789

約数の個数: 32

約数和(自身を含む): 123863040

約数和(自身を除く): 42137935

約数列:

[1, 5, 7, 11, 35, 55, 77, 79, 385, 395, 553, 869, 2687, 2765, 4345, 6083, 13435, 18809, 29557, 30415, 94045, 147785, 206899, 212273, 1034495, 1061365, 1485911, 2335003, 7429555, 11675015, 16345021, 81725105]

約数ペア:

[(1, 81725105), (5, 16345021), (7, 11675015), (11, 7429555), (35, 2335003), (55, 1485911), (77, 1061365), (79, 1034495), (385, 212273), (395, 206899), (553, 147785), (869, 94045), (2687, 30415), (2765, 29557), (4345, 18809), (6083, 13435)]