13129725

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{281}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 25176960

約数和(自身を除く): 12047235

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 89, 105, 175, 267, 281, 445, 525, 623, 843, 1335, 1405, 1869, 1967, 2225, 3115, 4215, 5901, 6675, 7025, 9345, 9835, 15575, 21075, 25009, 29505, 46725, 49175, 75027, 125045, 147525, 175063, 375135, 525189, 625225, 875315, 1875675, 2625945, 4376575, 13129725]

約数ペア:

[(1, 13129725), (3, 4376575), (5, 2625945), (7, 1875675), (15, 875315), (21, 625225), (25, 525189), (35, 375135), (75, 175063), (89, 147525), (105, 125045), (175, 75027), (267, 49175), (281, 46725), (445, 29505), (525, 25009), (623, 21075), (843, 15575), (1335, 9835), (1405, 9345), (1869, 7025), (1967, 6675), (2225, 5901), (3115, 4215)]