1900579815

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{21107}}^1$

素因数の和:21173

約数の個数: 64

約数和(自身を含む): 3647462400

約数和(自身を除く): 1746882585

約数列:

[1, 3, 5, 9, 15, 23, 27, 29, 45, 69, 87, 115, 135, 145, 207, 261, 345, 435, 621, 667, 783, 1035, 1305, 2001, 3105, 3335, 3915, 6003, 10005, 18009, 21107, 30015, 63321, 90045, 105535, 189963, 316605, 485461, 569889, 612103, 949815, 1456383, 1836309, 2427305, 2849445, 3060515, 4369149, 5508927, 7281915, 9181545, 13107447, 14078369, 16526781, 21845745, 27544635, 42235107, 65537235, 70391845, 82633905, 126705321, 211175535, 380115963, 633526605, 1900579815]

約数ペア:

[(1, 1900579815), (3, 633526605), (5, 380115963), (9, 211175535), (15, 126705321), (23, 82633905), (27, 70391845), (29, 65537235), (45, 42235107), (69, 27544635), (87, 21845745), (115, 16526781), (135, 14078369), (145, 13107447), (207, 9181545), (261, 7281915), (345, 5508927), (435, 4369149), (621, 3060515), (667, 2849445), (783, 2427305), (1035, 1836309), (1305, 1456383), (2001, 949815), (3105, 612103), (3335, 569889), (3915, 485461), (6003, 316605), (10005, 189963), (18009, 105535), (21107, 90045), (30015, 63321)]