201771171

素因数分解:

$3^2\times 7^2\times {\mathrm{449}}^1\times {\mathrm{1019}}^1$

素因数の和:1488

約数の個数: 36

約数和(自身を含む): 340119000

約数和(自身を除く): 138347829

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 449, 1019, 1347, 3057, 3143, 4041, 7133, 9171, 9429, 21399, 22001, 28287, 49931, 64197, 66003, 149793, 198009, 449379, 457531, 1372593, 3202717, 4117779, 9608151, 22419019, 28824453, 67257057, 201771171]

約数ペア:

[(1, 201771171), (3, 67257057), (7, 28824453), (9, 22419019), (21, 9608151), (49, 4117779), (63, 3202717), (147, 1372593), (441, 457531), (449, 449379), (1019, 198009), (1347, 149793), (3057, 66003), (3143, 64197), (4041, 49931), (7133, 28287), (9171, 22001), (9429, 21399)]