218118975

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{797}}^1$

素因数の和:940

約数の個数: 48

約数和(自身を含む): 374038560

約数和(自身を除く): 155919585

約数列:

[1, 3, 5, 15, 25, 41, 75, 89, 123, 205, 267, 445, 615, 797, 1025, 1335, 2225, 2391, 3075, 3649, 3985, 6675, 10947, 11955, 18245, 19925, 32677, 54735, 59775, 70933, 91225, 98031, 163385, 212799, 273675, 354665, 490155, 816925, 1063995, 1773325, 2450775, 2908253, 5319975, 8724759, 14541265, 43623795, 72706325, 218118975]

約数ペア:

[(1, 218118975), (3, 72706325), (5, 43623795), (15, 14541265), (25, 8724759), (41, 5319975), (75, 2908253), (89, 2450775), (123, 1773325), (205, 1063995), (267, 816925), (445, 490155), (615, 354665), (797, 273675), (1025, 212799), (1335, 163385), (2225, 98031), (2391, 91225), (3075, 70933), (3649, 59775), (3985, 54735), (6675, 32677), (10947, 19925), (11955, 18245)]