68277915

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1609}}^1$

素因数の和:1684

約数の個数: 48

約数和(自身を含む): 126584640

約数和(自身を除く): 58306725

約数列:

[1, 3, 5, 9, 15, 23, 41, 45, 69, 115, 123, 205, 207, 345, 369, 615, 943, 1035, 1609, 1845, 2829, 4715, 4827, 8045, 8487, 14145, 14481, 24135, 37007, 42435, 65969, 72405, 111021, 185035, 197907, 329845, 333063, 555105, 593721, 989535, 1517287, 1665315, 2968605, 4551861, 7586435, 13655583, 22759305, 68277915]

約数ペア:

[(1, 68277915), (3, 22759305), (5, 13655583), (9, 7586435), (15, 4551861), (23, 2968605), (41, 1665315), (45, 1517287), (69, 989535), (115, 593721), (123, 555105), (205, 333063), (207, 329845), (345, 197907), (369, 185035), (615, 111021), (943, 72405), (1035, 65969), (1609, 42435), (1845, 37007), (2829, 24135), (4715, 14481), (4827, 14145), (8045, 8487)]