17931237

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:241

約数の個数: 32

約数和(自身を含む): 26320896

約数和(自身を除く): 8389659

約数列:

[1, 3, 23, 31, 69, 83, 93, 101, 249, 303, 713, 1909, 2139, 2323, 2573, 3131, 5727, 6969, 7719, 8383, 9393, 25149, 59179, 72013, 177537, 192809, 216039, 259873, 578427, 779619, 5977079, 17931237]

約数ペア:

[(1, 17931237), (3, 5977079), (23, 779619), (31, 578427), (69, 259873), (83, 216039), (93, 192809), (101, 177537), (249, 72013), (303, 59179), (713, 25149), (1909, 9393), (2139, 8383), (2323, 7719), (2573, 6969), (3131, 5727)]