156694995

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1399}}^1$

素因数の和:1560

約数の個数: 48

約数和(自身を含む): 288288000

約数和(自身を除く): 131593005

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 131, 171, 285, 393, 655, 855, 1179, 1399, 1965, 2489, 4197, 5895, 6995, 7467, 12445, 12591, 20985, 22401, 26581, 37335, 62955, 79743, 112005, 132905, 183269, 239229, 398715, 549807, 916345, 1196145, 1649421, 2749035, 3482111, 8247105, 10446333, 17410555, 31338999, 52231665, 156694995]

約数ペア:

[(1, 156694995), (3, 52231665), (5, 31338999), (9, 17410555), (15, 10446333), (19, 8247105), (45, 3482111), (57, 2749035), (95, 1649421), (131, 1196145), (171, 916345), (285, 549807), (393, 398715), (655, 239229), (855, 183269), (1179, 132905), (1399, 112005), (1965, 79743), (2489, 62955), (4197, 37335), (5895, 26581), (6995, 22401), (7467, 20985), (12445, 12591)]