724274019

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{138511}}^1$

素因数の和:138607

約数の個数: 24

約数和(自身を含む): 1210040832

約数和(自身を除く): 485766813

約数列:

[1, 3, 7, 9, 21, 63, 83, 249, 581, 747, 1743, 5229, 138511, 415533, 969577, 1246599, 2908731, 8726193, 11496413, 34489239, 80474891, 103467717, 241424673, 724274019]

約数ペア:

[(1, 724274019), (3, 241424673), (7, 103467717), (9, 80474891), (21, 34489239), (63, 11496413), (83, 8726193), (249, 2908731), (581, 1246599), (747, 969577), (1743, 415533), (5229, 138511)]