18322605

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1$

素因数の和:328

約数の個数: 80

約数和(自身を含む): 39308544

約数和(自身を除く): 20985939

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 27, 35, 45, 63, 69, 81, 105, 115, 135, 161, 189, 207, 281, 315, 345, 405, 483, 567, 621, 805, 843, 945, 1035, 1405, 1449, 1863, 1967, 2415, 2529, 2835, 3105, 4215, 4347, 5901, 6463, 7245, 7587, 9315, 9835, 12645, 13041, 17703, 19389, 21735, 22761, 29505, 32315, 37935, 45241, 53109, 58167, 65205, 88515, 96945, 113805, 135723, 159327, 174501, 226205, 265545, 290835, 407169, 523503, 678615, 796635, 872505, 1221507, 2035845, 2617515, 3664521, 6107535, 18322605]

約数ペア:

[(1, 18322605), (3, 6107535), (5, 3664521), (7, 2617515), (9, 2035845), (15, 1221507), (21, 872505), (23, 796635), (27, 678615), (35, 523503), (45, 407169), (63, 290835), (69, 265545), (81, 226205), (105, 174501), (115, 159327), (135, 135723), (161, 113805), (189, 96945), (207, 88515), (281, 65205), (315, 58167), (345, 53109), (405, 45241), (483, 37935), (567, 32315), (621, 29505), (805, 22761), (843, 21735), (945, 19389), (1035, 17703), (1405, 13041), (1449, 12645), (1863, 9835), (1967, 9315), (2415, 7587), (2529, 7245), (2835, 6463), (3105, 5901), (4215, 4347)]