16621929

素因数分解:

$3^6\times {\mathrm{151}}^2$

素因数の和:320

約数の個数: 21

約数和(自身を含む): 25087629

約数和(自身を除く): 8465700

約数列:

[1, 3, 9, 27, 81, 151, 243, 453, 729, 1359, 4077, 12231, 22801, 36693, 68403, 110079, 205209, 615627, 1846881, 5540643, 16621929]

約数ペア:

[(1, 16621929), (3, 5540643), (9, 1846881), (27, 615627), (81, 205209), (151, 110079), (243, 68403), (453, 36693), (729, 22801), (1359, 12231)]