81937845

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2399}}^1$

素因数の和:2447

約数の個数: 64

約数和(自身を含む): 165888000

約数和(自身を除く): 83950155

約数列:

[1, 3, 5, 9, 11, 15, 23, 27, 33, 45, 55, 69, 99, 115, 135, 165, 207, 253, 297, 345, 495, 621, 759, 1035, 1265, 1485, 2277, 2399, 3105, 3795, 6831, 7197, 11385, 11995, 21591, 26389, 34155, 35985, 55177, 64773, 79167, 107955, 131945, 165531, 237501, 275885, 323865, 395835, 496593, 606947, 712503, 827655, 1187505, 1489779, 1820841, 2482965, 3034735, 3562515, 5462523, 7448895, 9104205, 16387569, 27312615, 81937845]

約数ペア:

[(1, 81937845), (3, 27312615), (5, 16387569), (9, 9104205), (11, 7448895), (15, 5462523), (23, 3562515), (27, 3034735), (33, 2482965), (45, 1820841), (55, 1489779), (69, 1187505), (99, 827655), (115, 712503), (135, 606947), (165, 496593), (207, 395835), (253, 323865), (297, 275885), (345, 237501), (495, 165531), (621, 131945), (759, 107955), (1035, 79167), (1265, 64773), (1485, 55177), (2277, 35985), (2399, 34155), (3105, 26389), (3795, 21591), (6831, 11995), (7197, 11385)]