28937565

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{383}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 53194752

約数和(自身を除く): 24257187

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 73, 115, 207, 219, 345, 365, 383, 657, 1035, 1095, 1149, 1679, 1915, 3285, 3447, 5037, 5745, 8395, 8809, 15111, 17235, 25185, 26427, 27959, 44045, 75555, 79281, 83877, 132135, 139795, 251631, 396405, 419385, 643057, 1258155, 1929171, 3215285, 5787513, 9645855, 28937565]

約数ペア:

[(1, 28937565), (3, 9645855), (5, 5787513), (9, 3215285), (15, 1929171), (23, 1258155), (45, 643057), (69, 419385), (73, 396405), (115, 251631), (207, 139795), (219, 132135), (345, 83877), (365, 79281), (383, 75555), (657, 44045), (1035, 27959), (1095, 26427), (1149, 25185), (1679, 17235), (1915, 15111), (3285, 8809), (3447, 8395), (5037, 5745)]