1399687821

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1\times {\mathrm{1487}}^1$

素因数の和:1790

約数の個数: 48

約数和(自身を含む): 2357182464

約数和(自身を除く): 957494643

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 223, 469, 603, 669, 1407, 1487, 1561, 2007, 4221, 4461, 4683, 10409, 13383, 14049, 14941, 31227, 44823, 93681, 99629, 104587, 134469, 298887, 313761, 331601, 697403, 896661, 941283, 994803, 2092209, 2321207, 2984409, 6276627, 6963621, 20890863, 22217267, 66651801, 155520869, 199955403, 466562607, 1399687821]

約数ペア:

[(1, 1399687821), (3, 466562607), (7, 199955403), (9, 155520869), (21, 66651801), (63, 22217267), (67, 20890863), (201, 6963621), (223, 6276627), (469, 2984409), (603, 2321207), (669, 2092209), (1407, 994803), (1487, 941283), (1561, 896661), (2007, 697403), (4221, 331601), (4461, 313761), (4683, 298887), (10409, 134469), (13383, 104587), (14049, 99629), (14941, 93681), (31227, 44823)]