131970181

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{619}}^1$

素因数の和:881

約数の個数: 24

約数和(自身を含む): 162564000

約数和(自身を除く): 30593819

約数列:

[1, 7, 19, 49, 133, 229, 619, 931, 1603, 4333, 4351, 11221, 11761, 30331, 30457, 82327, 141751, 213199, 576289, 992257, 2693269, 6945799, 18852883, 131970181]

約数ペア:

[(1, 131970181), (7, 18852883), (19, 6945799), (49, 2693269), (133, 992257), (229, 576289), (619, 213199), (931, 141751), (1603, 82327), (4333, 30457), (4351, 30331), (11221, 11761)]