28554615

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{587}}^1$

素因数の和:668

約数の個数: 48

約数和(自身を含む): 52835328

約数和(自身を除く): 24280713

約数列:

[1, 3, 5, 9, 15, 23, 45, 47, 69, 115, 141, 207, 235, 345, 423, 587, 705, 1035, 1081, 1761, 2115, 2935, 3243, 5283, 5405, 8805, 9729, 13501, 16215, 26415, 27589, 40503, 48645, 67505, 82767, 121509, 137945, 202515, 248301, 413835, 607545, 634547, 1241505, 1903641, 3172735, 5710923, 9518205, 28554615]

約数ペア:

[(1, 28554615), (3, 9518205), (5, 5710923), (9, 3172735), (15, 1903641), (23, 1241505), (45, 634547), (47, 607545), (69, 413835), (115, 248301), (141, 202515), (207, 137945), (235, 121509), (345, 82767), (423, 67505), (587, 48645), (705, 40503), (1035, 27589), (1081, 26415), (1761, 16215), (2115, 13501), (2935, 9729), (3243, 8805), (5283, 5405)]