15522221

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:269

約数の個数: 32

約数和(自身を含む): 19958400

約数和(自身を除く): 4436179

約数列:

[1, 11, 13, 19, 29, 143, 197, 209, 247, 319, 377, 551, 2167, 2561, 2717, 3743, 4147, 5713, 6061, 7163, 28171, 41173, 48659, 62843, 74269, 78793, 108547, 535249, 816959, 1194017, 1411111, 15522221]

約数ペア:

[(1, 15522221), (11, 1411111), (13, 1194017), (19, 816959), (29, 535249), (143, 108547), (197, 78793), (209, 74269), (247, 62843), (319, 48659), (377, 41173), (551, 28171), (2167, 7163), (2561, 6061), (2717, 5713), (3743, 4147)]