15218985

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1423}}^1$

素因数の和:1485

約数の個数: 32

約数和(自身を含む): 26247168

約数和(自身を除く): 11028183

約数列:

[1, 3, 5, 15, 23, 31, 69, 93, 115, 155, 345, 465, 713, 1423, 2139, 3565, 4269, 7115, 10695, 21345, 32729, 44113, 98187, 132339, 163645, 220565, 490935, 661695, 1014599, 3043797, 5072995, 15218985]

約数ペア:

[(1, 15218985), (3, 5072995), (5, 3043797), (15, 1014599), (23, 661695), (31, 490935), (69, 220565), (93, 163645), (115, 132339), (155, 98187), (345, 44113), (465, 32729), (713, 21345), (1423, 10695), (2139, 7115), (3565, 4269)]