215355847

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{4513}}^1$

素因数の和:4938

約数の個数: 16

約数和(自身を含む): 261306432

約数和(自身を除く): 45950585

約数列:

[1, 7, 17, 119, 401, 2807, 4513, 6817, 31591, 47719, 76721, 537047, 1809713, 12667991, 30765121, 215355847]

約数ペア:

[(1, 215355847), (7, 30765121), (17, 12667991), (119, 1809713), (401, 537047), (2807, 76721), (4513, 47719), (6817, 31591)]