446351997

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{809}}^1$

素因数の和:922

約数の個数: 64

約数和(自身を含む): 766402560

約数和(自身を除く): 320050563

約数列:

[1, 3, 7, 13, 21, 39, 43, 47, 91, 129, 141, 273, 301, 329, 559, 611, 809, 903, 987, 1677, 1833, 2021, 2427, 3913, 4277, 5663, 6063, 10517, 11739, 12831, 14147, 16989, 26273, 31551, 34787, 38023, 42441, 73619, 78819, 104361, 114069, 183911, 220857, 243509, 266161, 452231, 494299, 551733, 730527, 798483, 1356693, 1482897, 1634989, 3165617, 3460093, 4904967, 9496851, 10380279, 11444923, 21254857, 34334769, 63764571, 148783999, 446351997]

約数ペア:

[(1, 446351997), (3, 148783999), (7, 63764571), (13, 34334769), (21, 21254857), (39, 11444923), (43, 10380279), (47, 9496851), (91, 4904967), (129, 3460093), (141, 3165617), (273, 1634989), (301, 1482897), (329, 1356693), (559, 798483), (611, 730527), (809, 551733), (903, 494299), (987, 452231), (1677, 266161), (1833, 243509), (2021, 220857), (2427, 183911), (3913, 114069), (4277, 104361), (5663, 78819), (6063, 73619), (10517, 42441), (11739, 38023), (12831, 34787), (14147, 31551), (16989, 26273)]