254222709

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{1249}}^1$

素因数の和:1589

約数の個数: 32

約数和(自身を含む): 388080000

約数和(自身を除く): 133857291

約数列:

[1, 3, 13, 17, 39, 51, 221, 307, 663, 921, 1249, 3747, 3991, 5219, 11973, 15657, 16237, 21233, 48711, 63699, 67847, 203541, 276029, 383443, 828087, 1150329, 4984759, 6518531, 14954277, 19555593, 84740903, 254222709]

約数ペア:

[(1, 254222709), (3, 84740903), (13, 19555593), (17, 14954277), (39, 6518531), (51, 4984759), (221, 1150329), (307, 828087), (663, 383443), (921, 276029), (1249, 203541), (3747, 67847), (3991, 63699), (5219, 48711), (11973, 21233), (15657, 16237)]