200520555

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{18749}}^1$

素因数の和:18811

約数の個数: 32

約数和(自身を含む): 345600000

約数和(自身を除く): 145079445

約数列:

[1, 3, 5, 15, 23, 31, 69, 93, 115, 155, 345, 465, 713, 2139, 3565, 10695, 18749, 56247, 93745, 281235, 431227, 581219, 1293681, 1743657, 2156135, 2906095, 6468405, 8718285, 13368037, 40104111, 66840185, 200520555]

約数ペア:

[(1, 200520555), (3, 66840185), (5, 40104111), (15, 13368037), (23, 8718285), (31, 6468405), (69, 2906095), (93, 2156135), (115, 1743657), (155, 1293681), (345, 581219), (465, 431227), (713, 281235), (2139, 93745), (3565, 56247), (10695, 18749)]