13220109

素因数分解:

$3^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{941}}^1$

素因数の和:1177

約数の個数: 24

約数和(自身を含む): 21944832

約数和(自身を除く): 8724723

約数列:

[1, 3, 7, 9, 21, 63, 223, 669, 941, 1561, 2007, 2823, 4683, 6587, 8469, 14049, 19761, 59283, 209843, 629529, 1468901, 1888587, 4406703, 13220109]

約数ペア:

[(1, 13220109), (3, 4406703), (7, 1888587), (9, 1468901), (21, 629529), (63, 209843), (223, 59283), (669, 19761), (941, 14049), (1561, 8469), (2007, 6587), (2823, 4683)]