2626778889

素因数分解:

$3^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{439}}^1$

素因数の和:692

約数の個数: 80

約数和(自身を含む): 4594824960

約数和(自身を除く): 1968046071

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 81, 173, 183, 189, 427, 439, 519, 549, 567, 1211, 1281, 1317, 1557, 1647, 3073, 3633, 3843, 3951, 4671, 4941, 9219, 10553, 10899, 11529, 11853, 14013, 26779, 27657, 31659, 32697, 34587, 35559, 73871, 75947, 80337, 82971, 94977, 98091, 187453, 221613, 227841, 241011, 248913, 284931, 531629, 562359, 664839, 683523, 723033, 854793, 1594887, 1687077, 1994517, 2050569, 2169099, 4632767, 4784661, 5061231, 5983551, 6151707, 13898301, 14353983, 15183693, 32429369, 41694903, 43061949, 97288107, 125084709, 291864321, 375254127, 875592963, 2626778889]

約数ペア:

[(1, 2626778889), (3, 875592963), (7, 375254127), (9, 291864321), (21, 125084709), (27, 97288107), (61, 43061949), (63, 41694903), (81, 32429369), (173, 15183693), (183, 14353983), (189, 13898301), (427, 6151707), (439, 5983551), (519, 5061231), (549, 4784661), (567, 4632767), (1211, 2169099), (1281, 2050569), (1317, 1994517), (1557, 1687077), (1647, 1594887), (3073, 854793), (3633, 723033), (3843, 683523), (3951, 664839), (4671, 562359), (4941, 531629), (9219, 284931), (10553, 248913), (10899, 241011), (11529, 227841), (11853, 221613), (14013, 187453), (26779, 98091), (27657, 94977), (31659, 82971), (32697, 80337), (34587, 75947), (35559, 73871)]