405655209

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{401}}^1$

素因数の和:620

約数の個数: 48

約数和(自身を含む): 639160704

約数和(自身を除く): 233505495

約数列:

[1, 3, 9, 23, 27, 69, 81, 181, 207, 243, 401, 543, 621, 1203, 1629, 1863, 3609, 4163, 4887, 5589, 9223, 10827, 12489, 14661, 27669, 32481, 37467, 43983, 72581, 83007, 97443, 112401, 217743, 249021, 337203, 653229, 747063, 1011609, 1669363, 1959687, 2241189, 5008089, 5879061, 15024267, 17637183, 45072801, 135218403, 405655209]

約数ペア:

[(1, 405655209), (3, 135218403), (9, 45072801), (23, 17637183), (27, 15024267), (69, 5879061), (81, 5008089), (181, 2241189), (207, 1959687), (243, 1669363), (401, 1011609), (543, 747063), (621, 653229), (1203, 337203), (1629, 249021), (1863, 217743), (3609, 112401), (4163, 97443), (4887, 83007), (5589, 72581), (9223, 43983), (10827, 37467), (12489, 32481), (14661, 27669)]