208489215

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{6547}}^1$

素因数の和:6759

約数の個数: 32

約数和(自身を含む): 365849856

約数和(自身を除く): 157360641

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 193, 579, 965, 2123, 2895, 6369, 6547, 10615, 19641, 31845, 32735, 72017, 98205, 216051, 360085, 1080255, 1263571, 3790713, 6317855, 13899281, 18953565, 41697843, 69496405, 208489215]

約数ペア:

[(1, 208489215), (3, 69496405), (5, 41697843), (11, 18953565), (15, 13899281), (33, 6317855), (55, 3790713), (165, 1263571), (193, 1080255), (579, 360085), (965, 216051), (2123, 98205), (2895, 72017), (6369, 32735), (6547, 31845), (10615, 19641)]