9780057

素因数分解:

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

素因数の和:418

約数の個数: 36

約数和(自身を含む): 16728816

約数和(自身を除く): 6948759

約数列:

[1, 3, 7, 9, 21, 49, 63, 67, 147, 201, 331, 441, 469, 603, 993, 1407, 2317, 2979, 3283, 4221, 6951, 9849, 16219, 20853, 22177, 29547, 48657, 66531, 145971, 155239, 199593, 465717, 1086673, 1397151, 3260019, 9780057]

約数ペア:

[(1, 9780057), (3, 3260019), (7, 1397151), (9, 1086673), (21, 465717), (49, 199593), (63, 155239), (67, 145971), (147, 66531), (201, 48657), (331, 29547), (441, 22177), (469, 20853), (603, 16219), (993, 9849), (1407, 6951), (2317, 4221), (2979, 3283)]