16620633

素因数分解:

$3^4\times {\mathrm{449}}^1\times {\mathrm{457}}^1$

素因数の和:918

約数の個数: 20

約数和(自身を含む): 24938100

約数和(自身を除く): 8317467

約数列:

[1, 3, 9, 27, 81, 449, 457, 1347, 1371, 4041, 4113, 12123, 12339, 36369, 37017, 205193, 615579, 1846737, 5540211, 16620633]

約数ペア:

[(1, 16620633), (3, 5540211), (9, 1846737), (27, 615579), (81, 205193), (449, 37017), (457, 36369), (1347, 12339), (1371, 12123), (4041, 4113)]