2018446875

素因数分解:

$3^2\times 5^5\times {\mathrm{43}}^1\times {\mathrm{1669}}^1$

素因数の和:1743

約数の個数: 72

約数和(自身を含む): 3731167440

約数和(自身を除く): 1712720565

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 125, 129, 215, 225, 375, 387, 625, 645, 1075, 1125, 1669, 1875, 1935, 3125, 3225, 5007, 5375, 5625, 8345, 9375, 9675, 15021, 16125, 25035, 26875, 28125, 41725, 48375, 71767, 75105, 80625, 125175, 134375, 208625, 215301, 241875, 358835, 375525, 403125, 625875, 645903, 1043125, 1076505, 1209375, 1794175, 1877625, 3129375, 3229515, 5215625, 5382525, 8970875, 9388125, 15646875, 16147575, 26912625, 44854375, 46940625, 80737875, 134563125, 224271875, 403689375, 672815625, 2018446875]

約数ペア:

[(1, 2018446875), (3, 672815625), (5, 403689375), (9, 224271875), (15, 134563125), (25, 80737875), (43, 46940625), (45, 44854375), (75, 26912625), (125, 16147575), (129, 15646875), (215, 9388125), (225, 8970875), (375, 5382525), (387, 5215625), (625, 3229515), (645, 3129375), (1075, 1877625), (1125, 1794175), (1669, 1209375), (1875, 1076505), (1935, 1043125), (3125, 645903), (3225, 625875), (5007, 403125), (5375, 375525), (5625, 358835), (8345, 241875), (9375, 215301), (9675, 208625), (15021, 134375), (16125, 125175), (25035, 80625), (26875, 75105), (28125, 71767), (41725, 48375)]