206498691

素因数分解:

$3^2\times 7^3\times {\mathrm{151}}^1\times {\mathrm{443}}^1$

素因数の和:621

約数の個数: 48

約数和(自身を含む): 350937600

約数和(自身を除く): 144438909

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 151, 343, 441, 443, 453, 1029, 1057, 1329, 1359, 3087, 3101, 3171, 3987, 7399, 9303, 9513, 21707, 22197, 27909, 51793, 65121, 66591, 66893, 151949, 155379, 195363, 200679, 455847, 466137, 468251, 602037, 1367541, 1404753, 3277757, 4214259, 9833271, 22944299, 29499813, 68832897, 206498691]

約数ペア:

[(1, 206498691), (3, 68832897), (7, 29499813), (9, 22944299), (21, 9833271), (49, 4214259), (63, 3277757), (147, 1404753), (151, 1367541), (343, 602037), (441, 468251), (443, 466137), (453, 455847), (1029, 200679), (1057, 195363), (1329, 155379), (1359, 151949), (3087, 66893), (3101, 66591), (3171, 65121), (3987, 51793), (7399, 27909), (9303, 22197), (9513, 21707)]