201978609

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1\times {\mathrm{691}}^1$

素因数の和:1181

約数の個数: 32

約数和(自身を含む): 318873600

約数和(自身を除く): 116894991

約数列:

[1, 3, 7, 21, 31, 93, 217, 449, 651, 691, 1347, 2073, 3143, 4837, 9429, 13919, 14511, 21421, 41757, 64263, 97433, 149947, 292299, 310259, 449841, 930777, 2171813, 6515439, 9618029, 28854087, 67326203, 201978609]

約数ペア:

[(1, 201978609), (3, 67326203), (7, 28854087), (21, 9618029), (31, 6515439), (93, 2171813), (217, 930777), (449, 449841), (651, 310259), (691, 292299), (1347, 149947), (2073, 97433), (3143, 64263), (4837, 41757), (9429, 21421), (13919, 14511)]