13181013

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{103}}^1\times {\mathrm{241}}^1$

素因数の和:409

約数の個数: 24

約数和(自身を含む): 19631040

約数和(自身を除く): 6450027

約数列:

[1, 3, 9, 59, 103, 177, 241, 309, 531, 723, 927, 2169, 6077, 14219, 18231, 24823, 42657, 54693, 74469, 127971, 223407, 1464557, 4393671, 13181013]

約数ペア:

[(1, 13181013), (3, 4393671), (9, 1464557), (59, 223407), (103, 127971), (177, 74469), (241, 54693), (309, 42657), (531, 24823), (723, 18231), (927, 14219), (2169, 6077)]