79400223

素因数分解:

$3^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:245

約数の個数: 64

約数和(自身を含む): 139991040

約数和(自身を除く): 60590817

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 71, 97, 183, 189, 213, 291, 427, 497, 549, 639, 679, 873, 1281, 1491, 1647, 1917, 2037, 2619, 3843, 4331, 4473, 5917, 6111, 6887, 11529, 12993, 13419, 17751, 18333, 20661, 30317, 38979, 41419, 48209, 53253, 61983, 90951, 116937, 124257, 144627, 159759, 185949, 272853, 372771, 420107, 433881, 818559, 1118313, 1260321, 1301643, 2940749, 3780963, 8822247, 11342889, 26466741, 79400223]

約数ペア:

[(1, 79400223), (3, 26466741), (7, 11342889), (9, 8822247), (21, 3780963), (27, 2940749), (61, 1301643), (63, 1260321), (71, 1118313), (97, 818559), (183, 433881), (189, 420107), (213, 372771), (291, 272853), (427, 185949), (497, 159759), (549, 144627), (639, 124257), (679, 116937), (873, 90951), (1281, 61983), (1491, 53253), (1647, 48209), (1917, 41419), (2037, 38979), (2619, 30317), (3843, 20661), (4331, 18333), (4473, 17751), (5917, 13419), (6111, 12993), (6887, 11529)]