2227995

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{643}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 4822272

約数和(自身を除く): 2594277

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 77, 99, 105, 165, 231, 315, 385, 495, 643, 693, 1155, 1929, 3215, 3465, 4501, 5787, 7073, 9645, 13503, 21219, 22505, 28935, 35365, 40509, 49511, 63657, 67515, 106095, 148533, 202545, 247555, 318285, 445599, 742665, 2227995]

約数ペア:

[(1, 2227995), (3, 742665), (5, 445599), (7, 318285), (9, 247555), (11, 202545), (15, 148533), (21, 106095), (33, 67515), (35, 63657), (45, 49511), (55, 40509), (63, 35365), (77, 28935), (99, 22505), (105, 21219), (165, 13503), (231, 9645), (315, 7073), (385, 5787), (495, 4501), (643, 3465), (693, 3215), (1155, 1929)]