71751135

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{5309}}^1$

素因数の和:5387

約数の個数: 32

約数和(自身を含む): 123871680

約数和(自身を除く): 52120545

約数列:

[1, 3, 5, 15, 17, 51, 53, 85, 159, 255, 265, 795, 901, 2703, 4505, 5309, 13515, 15927, 26545, 79635, 90253, 270759, 281377, 451265, 844131, 1353795, 1406885, 4220655, 4783409, 14350227, 23917045, 71751135]

約数ペア:

[(1, 71751135), (3, 23917045), (5, 14350227), (15, 4783409), (17, 4220655), (51, 1406885), (53, 1353795), (85, 844131), (159, 451265), (255, 281377), (265, 270759), (795, 90253), (901, 79635), (2703, 26545), (4505, 15927), (5309, 13515)]