157841217

素因数分解:

$3^4\times {\mathrm{103}}^1\times {\mathrm{18919}}^1$

素因数の和:19034

約数の個数: 20

約数和(自身を含む): 238089280

約数和(自身を除く): 80248063

約数列:

[1, 3, 9, 27, 81, 103, 309, 927, 2781, 8343, 18919, 56757, 170271, 510813, 1532439, 1948657, 5845971, 17537913, 52613739, 157841217]

約数ペア:

[(1, 157841217), (3, 52613739), (9, 17537913), (27, 5845971), (81, 1948657), (103, 1532439), (309, 510813), (927, 170271), (2781, 56757), (8343, 18919)]