199921065

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{101741}}^1$

素因数の和:101880

約数の個数: 16

約数和(自身を含む): 322318656

約数和(自身を除く): 122397591

約数列:

[1, 3, 5, 15, 131, 393, 655, 1965, 101741, 305223, 508705, 1526115, 13328071, 39984213, 66640355, 199921065]

約数ペア:

[(1, 199921065), (3, 66640355), (5, 39984213), (15, 13328071), (131, 1526115), (393, 508705), (655, 305223), (1965, 101741)]