16818057

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{457}}^1$

素因数の和:542

約数の個数: 32

約数和(自身を含む): 26380800

約数和(自身を除く): 9562743

約数列:

[1, 3, 9, 27, 29, 47, 87, 141, 261, 423, 457, 783, 1269, 1363, 1371, 4089, 4113, 12267, 12339, 13253, 21479, 36801, 39759, 64437, 119277, 193311, 357831, 579933, 622891, 1868673, 5606019, 16818057]

約数ペア:

[(1, 16818057), (3, 5606019), (9, 1868673), (27, 622891), (29, 579933), (47, 357831), (87, 193311), (141, 119277), (261, 64437), (423, 39759), (457, 36801), (783, 21479), (1269, 13253), (1363, 12339), (1371, 12267), (4089, 4113)]