25576641

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{16619}}^1$

素因数の和:16650

約数の個数: 20

約数和(自身を含む): 40220400

約数和(自身を除く): 14643759

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 16619, 49857, 149571, 315761, 448713, 947283, 1346139, 2841849, 8525547, 25576641]

約数ペア:

[(1, 25576641), (3, 8525547), (9, 2841849), (19, 1346139), (27, 947283), (57, 448713), (81, 315761), (171, 149571), (513, 49857), (1539, 16619)]