202121409

素因数分解:

$3^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{48857}}^1$

素因数の和:49064

約数の個数: 16

約数和(自身を含む): 309564288

約数和(自身を除く): 107442879

約数列:

[1, 3, 7, 21, 197, 591, 1379, 4137, 48857, 146571, 341999, 1025997, 9624829, 28874487, 67373803, 202121409]

約数ペア:

[(1, 202121409), (3, 67373803), (7, 28874487), (21, 9624829), (197, 1025997), (591, 341999), (1379, 146571), (4137, 48857)]