72485553

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{13327}}^1$

素因数の和:13381

約数の個数: 24

約数和(自身を含む): 115473792

約数和(自身を除く): 42988239

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 259, 777, 1813, 5439, 13327, 39981, 93289, 279867, 493099, 653023, 1479297, 1959069, 3451693, 10355079, 24161851, 72485553]

約数ペア:

[(1, 72485553), (3, 24161851), (7, 10355079), (21, 3451693), (37, 1959069), (49, 1479297), (111, 653023), (147, 493099), (259, 279867), (777, 93289), (1813, 39981), (5439, 13327)]