217071729

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{65011}}^1$

素因数の和:65077

約数の個数: 24

約数和(自身を含む): 365107392

約数和(自身を除く): 148035663

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 371, 477, 1113, 3339, 65011, 195033, 455077, 585099, 1365231, 3445583, 4095693, 10336749, 24119081, 31010247, 72357243, 217071729]

約数ペア:

[(1, 217071729), (3, 72357243), (7, 31010247), (9, 24119081), (21, 10336749), (53, 4095693), (63, 3445583), (159, 1365231), (371, 585099), (477, 455077), (1113, 195033), (3339, 65011)]