156987195

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{243391}}^1$

素因数の和:243442

約数の個数: 16

約数和(自身を含む): 257021952

約数和(自身を除く): 100034757

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 243391, 730173, 1216955, 3650865, 10465813, 31397439, 52329065, 156987195]

約数ペア:

[(1, 156987195), (3, 52329065), (5, 31397439), (15, 10465813), (43, 3650865), (129, 1216955), (215, 730173), (645, 243391)]