20827071

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{167}}^1$

素因数の和:356

約数の個数: 32

約数和(自身を含む): 32256000

約数和(自身を除く): 11428929

約数列:

[1, 3, 9, 27, 31, 93, 149, 167, 279, 447, 501, 837, 1341, 1503, 4023, 4509, 4619, 5177, 13857, 15531, 24883, 41571, 46593, 74649, 124713, 139779, 223947, 671841, 771373, 2314119, 6942357, 20827071]

約数ペア:

[(1, 20827071), (3, 6942357), (9, 2314119), (27, 771373), (31, 671841), (93, 223947), (149, 139779), (167, 124713), (279, 74649), (447, 46593), (501, 41571), (837, 24883), (1341, 15531), (1503, 13857), (4023, 5177), (4509, 4619)]