1223307

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:187

約数の個数: 24

約数和(自身を含む): 1887600

約数和(自身を除く): 664293

約数列:

[1, 3, 9, 29, 43, 87, 109, 129, 261, 327, 387, 981, 1247, 3161, 3741, 4687, 9483, 11223, 14061, 28449, 42183, 135923, 407769, 1223307]

約数ペア:

[(1, 1223307), (3, 407769), (9, 135923), (29, 42183), (43, 28449), (87, 14061), (109, 11223), (129, 9483), (261, 4687), (327, 3741), (387, 3161), (981, 1247)]