205142985

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{123209}}^1$

素因数の和:123257

約数の個数: 24

約数和(自身を含む): 365194440

約数和(自身を除く): 160051455

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 185, 333, 555, 1665, 123209, 369627, 616045, 1108881, 1848135, 4558733, 5544405, 13676199, 22793665, 41028597, 68380995, 205142985]

約数ペア:

[(1, 205142985), (3, 68380995), (5, 41028597), (9, 22793665), (15, 13676199), (37, 5544405), (45, 4558733), (111, 1848135), (185, 1108881), (333, 616045), (555, 369627), (1665, 123209)]