28324647

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{727}}^1$

素因数の和:789

約数の個数: 40

約数和(自身を含む): 46862816

約数和(自身を除く): 18538169

約数列:

[1, 3, 9, 13, 27, 37, 39, 81, 111, 117, 333, 351, 481, 727, 999, 1053, 1443, 2181, 2997, 4329, 6543, 9451, 12987, 19629, 26899, 28353, 38961, 58887, 80697, 85059, 242091, 255177, 349687, 726273, 765531, 1049061, 2178819, 3147183, 9441549, 28324647]

約数ペア:

[(1, 28324647), (3, 9441549), (9, 3147183), (13, 2178819), (27, 1049061), (37, 765531), (39, 726273), (81, 349687), (111, 255177), (117, 242091), (333, 85059), (351, 80697), (481, 58887), (727, 38961), (999, 28353), (1053, 26899), (1443, 19629), (2181, 12987), (2997, 9451), (4329, 6543)]