157021431

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{26053}}^1$

素因数の和:26111

約数の個数: 24

約数和(自身を含む): 249493104

約数和(自身を除く): 92471673

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 287, 861, 2009, 6027, 26053, 78159, 182371, 547113, 1068173, 1276597, 3204519, 3829791, 7477211, 22431633, 52340477, 157021431]

約数ペア:

[(1, 157021431), (3, 52340477), (7, 22431633), (21, 7477211), (41, 3829791), (49, 3204519), (123, 1276597), (147, 1068173), (287, 547113), (861, 182371), (2009, 78159), (6027, 26053)]