69978321

素因数分解:

$3^2\times 7^2\times {\mathrm{107}}^1\times {\mathrm{1483}}^1$

素因数の和:1610

約数の個数: 36

約数和(自身を含む): 118761552

約数和(自身を除く): 48783231

約数列:

[1, 3, 7, 9, 21, 49, 63, 107, 147, 321, 441, 749, 963, 1483, 2247, 4449, 5243, 6741, 10381, 13347, 15729, 31143, 47187, 72667, 93429, 158681, 218001, 476043, 654003, 1110767, 1428129, 3332301, 7775369, 9996903, 23326107, 69978321]

約数ペア:

[(1, 69978321), (3, 23326107), (7, 9996903), (9, 7775369), (21, 3332301), (49, 1428129), (63, 1110767), (107, 654003), (147, 476043), (321, 218001), (441, 158681), (749, 93429), (963, 72667), (1483, 47187), (2247, 31143), (4449, 15729), (5243, 13347), (6741, 10381)]