196993209

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{379}}^1\times {\mathrm{467}}^1$

素因数の和:909

約数の個数: 32

約数和(自身を含む): 307307520

約数和(自身を除く): 110314311

約数列:

[1, 3, 7, 21, 53, 159, 371, 379, 467, 1113, 1137, 1401, 2653, 3269, 7959, 9807, 20087, 24751, 60261, 74253, 140609, 173257, 176993, 421827, 519771, 530979, 1238951, 3716853, 9380629, 28141887, 65664403, 196993209]

約数ペア:

[(1, 196993209), (3, 65664403), (7, 28141887), (21, 9380629), (53, 3716853), (159, 1238951), (371, 530979), (379, 519771), (467, 421827), (1113, 176993), (1137, 173257), (1401, 140609), (2653, 74253), (3269, 60261), (7959, 24751), (9807, 20087)]