212740227

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{198637}}^1$

素因数の和:198667

約数の個数: 24

約数和(自身を含む): 371850336

約数和(自身を除く): 159110109

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 198637, 595911, 1390459, 1787733, 3376829, 4171377, 10130487, 12514131, 23637803, 30391461, 70913409, 212740227]

約数ペア:

[(1, 212740227), (3, 70913409), (7, 30391461), (9, 23637803), (17, 12514131), (21, 10130487), (51, 4171377), (63, 3376829), (119, 1787733), (153, 1390459), (357, 595911), (1071, 198637)]