201329919

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{263}}^1\times {\mathrm{419}}^1$

素因数の和:724

約数の個数: 48

約数和(自身を含む): 345945600

約数和(自身を除く): 144615681

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 263, 419, 609, 789, 1257, 1827, 1841, 2367, 2933, 3771, 5523, 7627, 8799, 12151, 16569, 22881, 26397, 36453, 53389, 68643, 85057, 109359, 110197, 160167, 255171, 330591, 480501, 765513, 771379, 991773, 2314137, 3195713, 6942411, 9587139, 22369991, 28761417, 67109973, 201329919]

約数ペア:

[(1, 201329919), (3, 67109973), (7, 28761417), (9, 22369991), (21, 9587139), (29, 6942411), (63, 3195713), (87, 2314137), (203, 991773), (261, 771379), (263, 765513), (419, 480501), (609, 330591), (789, 255171), (1257, 160167), (1827, 110197), (1841, 109359), (2367, 85057), (2933, 68643), (3771, 53389), (5523, 36453), (7627, 26397), (8799, 22881), (12151, 16569)]