51388701

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{26891}}^1$

素因数の和:26921

約数の個数: 24

約数和(自身を含む): 85839264

約数和(自身を除く): 34450563

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 26891, 80673, 188237, 349583, 564711, 1048749, 1317659, 2447081, 3952977, 7341243, 17129567, 51388701]

約数ペア:

[(1, 51388701), (3, 17129567), (7, 7341243), (13, 3952977), (21, 2447081), (39, 1317659), (49, 1048749), (91, 564711), (147, 349583), (273, 188237), (637, 80673), (1911, 26891)]