28661283

素因数分解:

$3^4\times 7^1\times {\mathrm{50549}}^1$

素因数の和:50568

約数の個数: 20

約数和(自身を含む): 48932400

約数和(自身を除く): 20271117

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 50549, 151647, 353843, 454941, 1061529, 1364823, 3184587, 4094469, 9553761, 28661283]

約数ペア:

[(1, 28661283), (3, 9553761), (7, 4094469), (9, 3184587), (21, 1364823), (27, 1061529), (63, 454941), (81, 353843), (189, 151647), (567, 50549)]