71212815

素因数分解:

$3^2\times 5^1\times {\mathrm{1019}}^1\times {\mathrm{1553}}^1$

素因数の和:2583

約数の個数: 24

約数和(自身を含む): 123636240

約数和(自身を除く): 52423425

約数列:

[1, 3, 5, 9, 15, 45, 1019, 1553, 3057, 4659, 5095, 7765, 9171, 13977, 15285, 23295, 45855, 69885, 1582507, 4747521, 7912535, 14242563, 23737605, 71212815]

約数ペア:

[(1, 71212815), (3, 23737605), (5, 14242563), (9, 7912535), (15, 4747521), (45, 1582507), (1019, 69885), (1553, 45855), (3057, 23295), (4659, 15285), (5095, 13977), (7765, 9171)]