202806405

素因数分解:

$3^2\times 5^1\times {\mathrm{1609}}^1\times {\mathrm{2801}}^1$

素因数の和:4421

約数の個数: 24

約数和(自身を含む): 351875160

約数和(自身を除く): 149068755

約数列:

[1, 3, 5, 9, 15, 45, 1609, 2801, 4827, 8045, 8403, 14005, 14481, 24135, 25209, 42015, 72405, 126045, 4506809, 13520427, 22534045, 40561281, 67602135, 202806405]

約数ペア:

[(1, 202806405), (3, 67602135), (5, 40561281), (9, 22534045), (15, 13520427), (45, 4506809), (1609, 126045), (2801, 72405), (4827, 42015), (8045, 25209), (8403, 24135), (14005, 14481)]