28137753

素因数分解:

$3^3\times 7^1\times {\mathrm{53}}^3$

素因数の和:175

約数の個数: 32

約数和(自身を含む): 48556800

約数和(自身を除く): 20419047

約数列:

[1, 3, 7, 9, 21, 27, 53, 63, 159, 189, 371, 477, 1113, 1431, 2809, 3339, 8427, 10017, 19663, 25281, 58989, 75843, 148877, 176967, 446631, 530901, 1042139, 1339893, 3126417, 4019679, 9379251, 28137753]

約数ペア:

[(1, 28137753), (3, 9379251), (7, 4019679), (9, 3126417), (21, 1339893), (27, 1042139), (53, 530901), (63, 446631), (159, 176967), (189, 148877), (371, 75843), (477, 58989), (1113, 25281), (1431, 19663), (2809, 10017), (3339, 8427)]