1999804725

素因数分解:

$3^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{216781}}^1$

素因数の和:216838

約数の個数: 36

約数和(自身を含む): 3669252132

約数和(自身を除く): 1669447407

約数列:

[1, 3, 5, 9, 15, 25, 41, 45, 75, 123, 205, 225, 369, 615, 1025, 1845, 3075, 9225, 216781, 650343, 1083905, 1951029, 3251715, 5419525, 8888021, 9755145, 16258575, 26664063, 44440105, 48775725, 79992189, 133320315, 222200525, 399960945, 666601575, 1999804725]

約数ペア:

[(1, 1999804725), (3, 666601575), (5, 399960945), (9, 222200525), (15, 133320315), (25, 79992189), (41, 48775725), (45, 44440105), (75, 26664063), (123, 16258575), (205, 9755145), (225, 8888021), (369, 5419525), (615, 3251715), (1025, 1951029), (1845, 1083905), (3075, 650343), (9225, 216781)]