157281015

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{643}}^1\times {\mathrm{709}}^1$

素因数の和:1383

約数の個数: 32

約数和(自身を含む): 263370240

約数和(自身を除く): 106089225

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 643, 709, 1929, 2127, 3215, 3545, 9645, 10635, 14789, 16307, 44367, 48921, 73945, 81535, 221835, 244605, 455887, 1367661, 2279435, 6838305, 10485401, 31456203, 52427005, 157281015]

約数ペア:

[(1, 157281015), (3, 52427005), (5, 31456203), (15, 10485401), (23, 6838305), (69, 2279435), (115, 1367661), (345, 455887), (643, 244605), (709, 221835), (1929, 81535), (2127, 73945), (3215, 48921), (3545, 44367), (9645, 16307), (10635, 14789)]