68898885

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{1979}}^1$

素因数の和:2209

約数の個数: 32

約数和(自身を含む): 120890880

約数和(自身を除く): 51991995

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 211, 633, 1055, 1979, 2321, 3165, 5937, 6963, 9895, 11605, 21769, 29685, 34815, 65307, 108845, 326535, 417569, 1252707, 2087845, 4593259, 6263535, 13779777, 22966295, 68898885]

約数ペア:

[(1, 68898885), (3, 22966295), (5, 13779777), (11, 6263535), (15, 4593259), (33, 2087845), (55, 1252707), (165, 417569), (211, 326535), (633, 108845), (1055, 65307), (1979, 34815), (2321, 29685), (3165, 21769), (5937, 11605), (6963, 9895)]