1601985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:118

約数の個数: 64

約数和(自身を含む): 3409920

約数和(自身を除く): 1807935

約数列:

[1, 3, 5, 7, 11, 15, 19, 21, 33, 35, 55, 57, 73, 77, 95, 105, 133, 165, 209, 219, 231, 285, 365, 385, 399, 511, 627, 665, 803, 1045, 1095, 1155, 1387, 1463, 1533, 1995, 2409, 2555, 3135, 4015, 4161, 4389, 5621, 6935, 7315, 7665, 9709, 12045, 15257, 16863, 20805, 21945, 28105, 29127, 45771, 48545, 76285, 84315, 106799, 145635, 228855, 320397, 533995, 1601985]

約数ペア:

[(1, 1601985), (3, 533995), (5, 320397), (7, 228855), (11, 145635), (15, 106799), (19, 84315), (21, 76285), (33, 48545), (35, 45771), (55, 29127), (57, 28105), (73, 21945), (77, 20805), (95, 16863), (105, 15257), (133, 12045), (165, 9709), (209, 7665), (219, 7315), (231, 6935), (285, 5621), (365, 4389), (385, 4161), (399, 4015), (511, 3135), (627, 2555), (665, 2409), (803, 1995), (1045, 1533), (1095, 1463), (1155, 1387)]