278340383997

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2381359}}^1$

素因数の和:2381424

約数の個数: 48

約数和(自身を含む): 461145601280

約数和(自身を除く): 182805217283

約数列:

[1, 3, 9, 13, 27, 37, 39, 81, 111, 117, 243, 333, 351, 481, 999, 1053, 1443, 2997, 3159, 4329, 8991, 12987, 38961, 116883, 2381359, 7144077, 21432231, 30957667, 64296693, 88110283, 92873001, 192890079, 264330849, 278619003, 578670237, 792992547, 835857009, 1145433679, 2378977641, 2507571027, 3436301037, 7136932923, 7522713081, 10308903111, 21410798769, 30926709333, 92780127999, 278340383997]

約数ペア:

[(1, 278340383997), (3, 92780127999), (9, 30926709333), (13, 21410798769), (27, 10308903111), (37, 7522713081), (39, 7136932923), (81, 3436301037), (111, 2507571027), (117, 2378977641), (243, 1145433679), (333, 835857009), (351, 792992547), (481, 578670237), (999, 278619003), (1053, 264330849), (1443, 192890079), (2997, 92873001), (3159, 88110283), (4329, 64296693), (8991, 30957667), (12987, 21432231), (38961, 7144077), (116883, 2381359)]