7770555

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{359}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 14938560

約数和(自身を除く): 7168005

約数列:

[1, 3, 5, 9, 13, 15, 37, 39, 45, 65, 111, 117, 185, 195, 333, 359, 481, 555, 585, 1077, 1443, 1665, 1795, 2405, 3231, 4329, 4667, 5385, 7215, 13283, 14001, 16155, 21645, 23335, 39849, 42003, 66415, 70005, 119547, 172679, 199245, 210015, 518037, 597735, 863395, 1554111, 2590185, 7770555]

約数ペア:

[(1, 7770555), (3, 2590185), (5, 1554111), (9, 863395), (13, 597735), (15, 518037), (37, 210015), (39, 199245), (45, 172679), (65, 119547), (111, 70005), (117, 66415), (185, 42003), (195, 39849), (333, 23335), (359, 21645), (481, 16155), (555, 14001), (585, 13283), (1077, 7215), (1443, 5385), (1665, 4667), (1795, 4329), (2405, 3231)]