68491575

素因数分解:

$3^4\times 5^2\times {\mathrm{149}}^1\times {\mathrm{227}}^1$

素因数の和:398

約数の個数: 60

約数和(自身を含む): 128284200

約数和(自身を除く): 59792625

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 149, 225, 227, 405, 447, 675, 681, 745, 1135, 1341, 2025, 2043, 2235, 3405, 3725, 4023, 5675, 6129, 6705, 10215, 11175, 12069, 17025, 18387, 20115, 30645, 33525, 33823, 51075, 60345, 91935, 100575, 101469, 153225, 169115, 301725, 304407, 459675, 507345, 845575, 913221, 1522035, 2536725, 2739663, 4566105, 7610175, 13698315, 22830525, 68491575]

約数ペア:

[(1, 68491575), (3, 22830525), (5, 13698315), (9, 7610175), (15, 4566105), (25, 2739663), (27, 2536725), (45, 1522035), (75, 913221), (81, 845575), (135, 507345), (149, 459675), (225, 304407), (227, 301725), (405, 169115), (447, 153225), (675, 101469), (681, 100575), (745, 91935), (1135, 60345), (1341, 51075), (2025, 33823), (2043, 33525), (2235, 30645), (3405, 20115), (3725, 18387), (4023, 17025), (5675, 12069), (6129, 11175), (6705, 10215)]