205373679

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{17749}}^1$

素因数の和:17807

約数の個数: 32

約数和(自身を含む): 340800000

約数和(自身を除く): 135426321

約数列:

[1, 3, 7, 19, 21, 29, 57, 87, 133, 203, 399, 551, 609, 1653, 3857, 11571, 17749, 53247, 124243, 337231, 372729, 514721, 1011693, 1544163, 2360617, 3603047, 7081851, 9779699, 10809141, 29339097, 68457893, 205373679]

約数ペア:

[(1, 205373679), (3, 68457893), (7, 29339097), (19, 10809141), (21, 9779699), (29, 7081851), (57, 3603047), (87, 2360617), (133, 1544163), (203, 1011693), (399, 514721), (551, 372729), (609, 337231), (1653, 124243), (3857, 53247), (11571, 17749)]