12478851

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1637}}^1$

素因数の和:1672

約数の個数: 36

約数和(自身を含む): 22656816

約数和(自身を除く): 10177965

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 121, 231, 363, 693, 847, 1089, 1637, 2541, 4911, 7623, 11459, 14733, 18007, 34377, 54021, 103131, 126049, 162063, 198077, 378147, 594231, 1134441, 1386539, 1782693, 4159617, 12478851]

約数ペア:

[(1, 12478851), (3, 4159617), (7, 1782693), (9, 1386539), (11, 1134441), (21, 594231), (33, 378147), (63, 198077), (77, 162063), (99, 126049), (121, 103131), (231, 54021), (363, 34377), (693, 18007), (847, 14733), (1089, 11459), (1637, 7623), (2541, 4911)]