28966665

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21221}}^1$

素因数の和:21249

約数の個数: 32

約数和(自身を含む): 57044736

約数和(自身を除く): 28078071

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 21221, 63663, 106105, 148547, 275873, 318315, 445641, 742735, 827619, 1379365, 1931111, 2228205, 4138095, 5793333, 9655555, 28966665]

約数ペア:

[(1, 28966665), (3, 9655555), (5, 5793333), (7, 4138095), (13, 2228205), (15, 1931111), (21, 1379365), (35, 827619), (39, 742735), (65, 445641), (91, 318315), (105, 275873), (195, 148547), (273, 106105), (455, 63663), (1365, 21221)]