11978295

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{379}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 22872960

約数和(自身を除く): 10894665

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 49, 105, 129, 147, 215, 245, 301, 379, 645, 735, 903, 1137, 1505, 1895, 2107, 2653, 4515, 5685, 6321, 7959, 10535, 13265, 16297, 18571, 31605, 39795, 48891, 55713, 81485, 92855, 114079, 244455, 278565, 342237, 570395, 798553, 1711185, 2395659, 3992765, 11978295]

約数ペア:

[(1, 11978295), (3, 3992765), (5, 2395659), (7, 1711185), (15, 798553), (21, 570395), (35, 342237), (43, 278565), (49, 244455), (105, 114079), (129, 92855), (147, 81485), (215, 55713), (245, 48891), (301, 39795), (379, 31605), (645, 18571), (735, 16297), (903, 13265), (1137, 10535), (1505, 7959), (1895, 6321), (2107, 5685), (2653, 4515)]