71218845

素因数分解:

$3^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4289}}^1$

素因数の和:4347

約数の個数: 40

約数和(自身を含む): 130810680

約数和(自身を除く): 59591835

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 81, 123, 135, 205, 369, 405, 615, 1107, 1845, 3321, 4289, 5535, 12867, 16605, 21445, 38601, 64335, 115803, 175849, 193005, 347409, 527547, 579015, 879245, 1582641, 1737045, 2637735, 4747923, 7913205, 14243769, 23739615, 71218845]

約数ペア:

[(1, 71218845), (3, 23739615), (5, 14243769), (9, 7913205), (15, 4747923), (27, 2637735), (41, 1737045), (45, 1582641), (81, 879245), (123, 579015), (135, 527547), (205, 347409), (369, 193005), (405, 175849), (615, 115803), (1107, 64335), (1845, 38601), (3321, 21445), (4289, 16605), (5535, 12867)]