213568965

素因数分解:

$3^2\times 5^1\times {\mathrm{233}}^1\times {\mathrm{20369}}^1$

素因数の和:20613

約数の個数: 24

約数和(自身を含む): 371793240

約数和(自身を除く): 158224275

約数列:

[1, 3, 5, 9, 15, 45, 233, 699, 1165, 2097, 3495, 10485, 20369, 61107, 101845, 183321, 305535, 916605, 4745977, 14237931, 23729885, 42713793, 71189655, 213568965]

約数ペア:

[(1, 213568965), (3, 71189655), (5, 42713793), (9, 23729885), (15, 14237931), (45, 4745977), (233, 916605), (699, 305535), (1165, 183321), (2097, 101845), (3495, 61107), (10485, 20369)]