51479955

素因数分解:

$3^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1609}}^1$

素因数の和:1705

約数の個数: 40

約数和(自身を含む): 93508800

約数和(自身を除く): 42028845

約数列:

[1, 3, 5, 9, 15, 27, 45, 79, 81, 135, 237, 395, 405, 711, 1185, 1609, 2133, 3555, 4827, 6399, 8045, 10665, 14481, 24135, 31995, 43443, 72405, 127111, 130329, 217215, 381333, 635555, 651645, 1143999, 1906665, 3431997, 5719995, 10295991, 17159985, 51479955]

約数ペア:

[(1, 51479955), (3, 17159985), (5, 10295991), (9, 5719995), (15, 3431997), (27, 1906665), (45, 1143999), (79, 651645), (81, 635555), (135, 381333), (237, 217215), (395, 130329), (405, 127111), (711, 72405), (1185, 43443), (1609, 31995), (2133, 24135), (3555, 14481), (4827, 10665), (6399, 8045)]