256077819

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{331}}^1\times {\mathrm{1283}}^1$

素因数の和:1687

約数の個数: 24

約数和(自身を含む): 376838592

約数和(自身を除く): 120760773

約数列:

[1, 3, 9, 67, 201, 331, 603, 993, 1283, 2979, 3849, 11547, 22177, 66531, 85961, 199593, 257883, 424673, 773649, 1274019, 3822057, 28453091, 85359273, 256077819]

約数ペア:

[(1, 256077819), (3, 85359273), (9, 28453091), (67, 3822057), (201, 1274019), (331, 773649), (603, 424673), (993, 257883), (1283, 199593), (2979, 85961), (3849, 66531), (11547, 22177)]