397421577

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{3863}}^1$

素因数の和:3970

約数の個数: 48

約数和(自身を含む): 694407168

約数和(自身を除く): 296985591

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 71, 161, 207, 213, 483, 497, 639, 1449, 1491, 1633, 3863, 4473, 4899, 11431, 11589, 14697, 27041, 34293, 34767, 81123, 88849, 102879, 243369, 266547, 274273, 621943, 799641, 822819, 1865829, 1919911, 2468457, 5597487, 5759733, 6308279, 17279199, 18924837, 44157953, 56774511, 132473859, 397421577]

約数ペア:

[(1, 397421577), (3, 132473859), (7, 56774511), (9, 44157953), (21, 18924837), (23, 17279199), (63, 6308279), (69, 5759733), (71, 5597487), (161, 2468457), (207, 1919911), (213, 1865829), (483, 822819), (497, 799641), (639, 621943), (1449, 274273), (1491, 266547), (1633, 243369), (3863, 102879), (4473, 88849), (4899, 81123), (11431, 34767), (11589, 34293), (14697, 27041)]