208021545

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{200987}}^1$

素因数の和:201021

約数の個数: 24

約数和(自身を含む): 376249536

約数和(自身を除く): 168227991

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 200987, 602961, 1004935, 1808883, 3014805, 4622701, 9044415, 13868103, 23113505, 41604309, 69340515, 208021545]

約数ペア:

[(1, 208021545), (3, 69340515), (5, 41604309), (9, 23113505), (15, 13868103), (23, 9044415), (45, 4622701), (69, 3014805), (115, 1808883), (207, 1004935), (345, 602961), (1035, 200987)]