2145087

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{431}}^1$

素因数の和:523

約数の個数: 24

約数和(自身を含む): 3594240

約数和(自身を除く): 1449153

約数列:

[1, 3, 7, 9, 21, 63, 79, 237, 431, 553, 711, 1293, 1659, 3017, 3879, 4977, 9051, 27153, 34049, 102147, 238343, 306441, 715029, 2145087]

約数ペア:

[(1, 2145087), (3, 715029), (7, 306441), (9, 238343), (21, 102147), (63, 34049), (79, 27153), (237, 9051), (431, 4977), (553, 3879), (711, 3017), (1293, 1659)]