201212181

素因数分解:

$3^4\times {\mathrm{151}}^1\times {\mathrm{16451}}^1$

素因数の和:16614

約数の個数: 20

約数和(自身を含む): 302585184

約数和(自身を除く): 101373003

約数列:

[1, 3, 9, 27, 81, 151, 453, 1359, 4077, 12231, 16451, 49353, 148059, 444177, 1332531, 2484101, 7452303, 22356909, 67070727, 201212181]

約数ペア:

[(1, 201212181), (3, 67070727), (9, 22356909), (27, 7452303), (81, 2484101), (151, 1332531), (453, 444177), (1359, 148059), (4077, 49353), (12231, 16451)]