201970245

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{3929}}^1$

素因数の和:4109

約数の個数: 32

約数和(自身を含む): 339552000

約数和(自身を除く): 137581755

約数列:

[1, 3, 5, 15, 23, 69, 115, 149, 345, 447, 745, 2235, 3427, 3929, 10281, 11787, 17135, 19645, 51405, 58935, 90367, 271101, 451835, 585421, 1355505, 1756263, 2927105, 8781315, 13464683, 40394049, 67323415, 201970245]

約数ペア:

[(1, 201970245), (3, 67323415), (5, 40394049), (15, 13464683), (23, 8781315), (69, 2927105), (115, 1756263), (149, 1355505), (345, 585421), (447, 451835), (745, 271101), (2235, 90367), (3427, 58935), (3929, 51405), (10281, 19645), (11787, 17135)]