79921665

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2087}}^1$

素因数の和:2158

約数の個数: 48

約数和(自身を含む): 148531968

約数和(自身を除く): 68610303

約数列:

[1, 3, 5, 9, 15, 23, 37, 45, 69, 111, 115, 185, 207, 333, 345, 555, 851, 1035, 1665, 2087, 2553, 4255, 6261, 7659, 10435, 12765, 18783, 31305, 38295, 48001, 77219, 93915, 144003, 231657, 240005, 386095, 432009, 694971, 720015, 1158285, 1776037, 2160045, 3474855, 5328111, 8880185, 15984333, 26640555, 79921665]

約数ペア:

[(1, 79921665), (3, 26640555), (5, 15984333), (9, 8880185), (15, 5328111), (23, 3474855), (37, 2160045), (45, 1776037), (69, 1158285), (111, 720015), (115, 694971), (185, 432009), (207, 386095), (333, 240005), (345, 231657), (555, 144003), (851, 93915), (1035, 77219), (1665, 48001), (2087, 38295), (2553, 31305), (4255, 18783), (6261, 12765), (7659, 10435)]