215423637

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{2549}}^1$

素因数の和:2773

約数の個数: 32

約数和(自身を含む): 339292800

約数和(自身を除く): 123869163

約数列:

[1, 3, 11, 13, 33, 39, 143, 197, 429, 591, 2167, 2549, 2561, 6501, 7647, 7683, 28039, 28171, 33137, 84117, 84513, 99411, 364507, 502153, 1093521, 1506459, 5523683, 6527989, 16571049, 19583967, 71807879, 215423637]

約数ペア:

[(1, 215423637), (3, 71807879), (11, 19583967), (13, 16571049), (33, 6527989), (39, 5523683), (143, 1506459), (197, 1093521), (429, 502153), (591, 364507), (2167, 99411), (2549, 84513), (2561, 84117), (6501, 33137), (7647, 28171), (7683, 28039)]