123020775

素因数分解:

$3^4\times 5^2\times {\mathrm{79}}^1\times {\mathrm{769}}^1$

素因数の和:870

約数の個数: 60

約数和(自身を含む): 231061600

約数和(自身を除く): 108040825

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 79, 81, 135, 225, 237, 395, 405, 675, 711, 769, 1185, 1975, 2025, 2133, 2307, 3555, 3845, 5925, 6399, 6921, 10665, 11535, 17775, 19225, 20763, 31995, 34605, 53325, 57675, 60751, 62289, 103815, 159975, 173025, 182253, 303755, 311445, 519075, 546759, 911265, 1518775, 1557225, 1640277, 2733795, 4556325, 4920831, 8201385, 13668975, 24604155, 41006925, 123020775]

約数ペア:

[(1, 123020775), (3, 41006925), (5, 24604155), (9, 13668975), (15, 8201385), (25, 4920831), (27, 4556325), (45, 2733795), (75, 1640277), (79, 1557225), (81, 1518775), (135, 911265), (225, 546759), (237, 519075), (395, 311445), (405, 303755), (675, 182253), (711, 173025), (769, 159975), (1185, 103815), (1975, 62289), (2025, 60751), (2133, 57675), (2307, 53325), (3555, 34605), (3845, 31995), (5925, 20763), (6399, 19225), (6921, 17775), (10665, 11535)]