208510065

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67153}}^1$

素因数の和:67190

約数の個数: 32

約数和(自身を含む): 386807040

約数和(自身を除く): 178296975

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 67153, 201459, 335765, 604377, 1007295, 1544519, 1813131, 3021885, 4633557, 7722595, 9065655, 13900671, 23167785, 41702013, 69503355, 208510065]

約数ペア:

[(1, 208510065), (3, 69503355), (5, 41702013), (9, 23167785), (15, 13900671), (23, 9065655), (27, 7722595), (45, 4633557), (69, 3021885), (115, 1813131), (135, 1544519), (207, 1007295), (345, 604377), (621, 335765), (1035, 201459), (3105, 67153)]