27439938

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:520

約数の個数: 64

約数和(自身を含む): 65629440

約数和(自身を除く): 38189502

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 71, 102, 142, 153, 213, 306, 421, 426, 459, 639, 842, 918, 1207, 1263, 1278, 1917, 2414, 2526, 3621, 3789, 3834, 7157, 7242, 7578, 10863, 11367, 14314, 21471, 21726, 22734, 29891, 32589, 42942, 59782, 64413, 65178, 89673, 128826, 179346, 193239, 269019, 386478, 508147, 538038, 807057, 1016294, 1524441, 1614114, 3048882, 4573323, 9146646, 13719969, 27439938]

約数ペア:

[(1, 27439938), (2, 13719969), (3, 9146646), (6, 4573323), (9, 3048882), (17, 1614114), (18, 1524441), (27, 1016294), (34, 807057), (51, 538038), (54, 508147), (71, 386478), (102, 269019), (142, 193239), (153, 179346), (213, 128826), (306, 89673), (421, 65178), (426, 64413), (459, 59782), (639, 42942), (842, 32589), (918, 29891), (1207, 22734), (1263, 21726), (1278, 21471), (1917, 14314), (2414, 11367), (2526, 10863), (3621, 7578), (3789, 7242), (3834, 7157)]