31189557

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{293}}^1$

素因数の和:477

約数の個数: 32

約数和(自身を含む): 49335552

約数和(自身を除く): 18145995

約数列:

[1, 3, 7, 21, 37, 111, 137, 259, 293, 411, 777, 879, 959, 2051, 2877, 5069, 6153, 10841, 15207, 32523, 35483, 40141, 75887, 106449, 120423, 227661, 280987, 842961, 1485217, 4455651, 10396519, 31189557]

約数ペア:

[(1, 31189557), (3, 10396519), (7, 4455651), (21, 1485217), (37, 842961), (111, 280987), (137, 227661), (259, 120423), (293, 106449), (411, 75887), (777, 40141), (879, 35483), (959, 32523), (2051, 15207), (2877, 10841), (5069, 6153)]