1397151

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{331}}^1$

素因数の和:411

約数の個数: 24

約数和(自身を含む): 2347904

約数和(自身を除く): 950753

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 331, 469, 603, 993, 1407, 2317, 2979, 4221, 6951, 20853, 22177, 66531, 155239, 199593, 465717, 1397151]

約数ペア:

[(1, 1397151), (3, 465717), (7, 199593), (9, 155239), (21, 66531), (63, 22177), (67, 20853), (201, 6951), (331, 4221), (469, 2979), (603, 2317), (993, 1407)]