16353981

素因数分解:

$3^4\times 7^1\times {\mathrm{28843}}^1$

素因数の和:28862

約数の個数: 20

約数和(自身を含む): 27920992

約数和(自身を除く): 11567011

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 28843, 86529, 201901, 259587, 605703, 778761, 1817109, 2336283, 5451327, 16353981]

約数ペア:

[(1, 16353981), (3, 5451327), (7, 2336283), (9, 1817109), (21, 778761), (27, 605703), (63, 259587), (81, 201901), (189, 86529), (567, 28843)]