12699999

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 21621600

約数和(自身を除く): 8921601

約数列:

[1, 3, 9, 13, 19, 29, 39, 57, 87, 117, 171, 197, 247, 261, 377, 551, 591, 741, 1131, 1653, 1773, 2223, 2561, 3393, 3743, 4959, 5713, 7163, 7683, 11229, 17139, 21489, 23049, 33687, 48659, 51417, 64467, 74269, 108547, 145977, 222807, 325641, 437931, 668421, 976923, 1411111, 4233333, 12699999]

約数ペア:

[(1, 12699999), (3, 4233333), (9, 1411111), (13, 976923), (19, 668421), (29, 437931), (39, 325641), (57, 222807), (87, 145977), (117, 108547), (171, 74269), (197, 64467), (247, 51417), (261, 48659), (377, 33687), (551, 23049), (591, 21489), (741, 17139), (1131, 11229), (1653, 7683), (1773, 7163), (2223, 5713), (2561, 4959), (3393, 3743)]