65661021

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{397}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 107288064

約数和(自身を除く): 41627043

約数列:

[1, 3, 9, 17, 23, 47, 51, 69, 141, 153, 207, 391, 397, 423, 799, 1081, 1173, 1191, 2397, 3243, 3519, 3573, 6749, 7191, 9131, 9729, 18377, 18659, 20247, 27393, 55131, 55977, 60741, 82179, 155227, 165393, 167931, 317203, 429157, 465681, 951609, 1287471, 1397043, 2854827, 3862413, 7295669, 21887007, 65661021]

約数ペア:

[(1, 65661021), (3, 21887007), (9, 7295669), (17, 3862413), (23, 2854827), (47, 1397043), (51, 1287471), (69, 951609), (141, 465681), (153, 429157), (207, 317203), (391, 167931), (397, 165393), (423, 155227), (799, 82179), (1081, 60741), (1173, 55977), (1191, 55131), (2397, 27393), (3243, 20247), (3519, 18659), (3573, 18377), (6749, 9729), (7191, 9131)]