200221497

素因数分解:

$3^3\times 7^2\times {\mathrm{151339}}^1$

素因数の和:151362

約数の個数: 24

約数和(自身を含む): 345055200

約数和(自身を除く): 144833703

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 151339, 454017, 1059373, 1362051, 3178119, 4086153, 7415611, 9534357, 22246833, 28603071, 66740499, 200221497]

約数ペア:

[(1, 200221497), (3, 66740499), (7, 28603071), (9, 22246833), (21, 9534357), (27, 7415611), (49, 4086153), (63, 3178119), (147, 1362051), (189, 1059373), (441, 454017), (1323, 151339)]