2020275

素因数分解:

$3^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:133

約数の個数: 48

約数和(自身を含む): 3853920

約数和(自身を除く): 1833645

約数列:

[1, 3, 5, 9, 15, 25, 27, 41, 45, 73, 75, 123, 135, 205, 219, 225, 365, 369, 615, 657, 675, 1025, 1095, 1107, 1825, 1845, 1971, 2993, 3075, 3285, 5475, 5535, 8979, 9225, 9855, 14965, 16425, 26937, 27675, 44895, 49275, 74825, 80811, 134685, 224475, 404055, 673425, 2020275]

約数ペア:

[(1, 2020275), (3, 673425), (5, 404055), (9, 224475), (15, 134685), (25, 80811), (27, 74825), (41, 49275), (45, 44895), (73, 27675), (75, 26937), (123, 16425), (135, 14965), (205, 9855), (219, 9225), (225, 8979), (365, 5535), (369, 5475), (615, 3285), (657, 3075), (675, 2993), (1025, 1971), (1095, 1845), (1107, 1825)]