87891075

素因数分解:

$3^4\times 5^2\times {\mathrm{43403}}^1$

素因数の和:43425

約数の個数: 30

約数和(自身を含む): 162808404

約数和(自身を除く): 74917329

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 43403, 130209, 217015, 390627, 651045, 1085075, 1171881, 1953135, 3255225, 3515643, 5859405, 9765675, 17578215, 29297025, 87891075]

約数ペア:

[(1, 87891075), (3, 29297025), (5, 17578215), (9, 9765675), (15, 5859405), (25, 3515643), (27, 3255225), (45, 1953135), (75, 1171881), (81, 1085075), (135, 651045), (225, 390627), (405, 217015), (675, 130209), (2025, 43403)]