9877777

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:265

約数の個数: 32

約数和(自身を含む): 13305600

約数和(自身を除く): 3427823

約数列:

[1, 7, 13, 19, 29, 91, 133, 197, 203, 247, 377, 551, 1379, 1729, 2561, 2639, 3743, 3857, 5713, 7163, 17927, 26201, 39991, 48659, 50141, 74269, 108547, 340613, 519883, 759829, 1411111, 9877777]

約数ペア:

[(1, 9877777), (7, 1411111), (13, 759829), (19, 519883), (29, 340613), (91, 108547), (133, 74269), (197, 50141), (203, 48659), (247, 39991), (377, 26201), (551, 17927), (1379, 7163), (1729, 5713), (2561, 3857), (2639, 3743)]