16893903

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{307}}^1$

素因数の和:423

約数の個数: 32

約数和(自身を含む): 26078976

約数和(自身を除く): 9185073

約数列:

[1, 3, 13, 17, 39, 51, 83, 221, 249, 307, 663, 921, 1079, 1411, 3237, 3991, 4233, 5219, 11973, 15657, 18343, 25481, 55029, 67847, 76443, 203541, 331253, 433177, 993759, 1299531, 5631301, 16893903]

約数ペア:

[(1, 16893903), (3, 5631301), (13, 1299531), (17, 993759), (39, 433177), (51, 331253), (83, 203541), (221, 76443), (249, 67847), (307, 55029), (663, 25481), (921, 18343), (1079, 15657), (1411, 11973), (3237, 5219), (3991, 4233)]