28996317

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{269}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 50544000

約数和(自身を除く): 21547683

約数列:

[1, 3, 7, 9, 21, 29, 59, 63, 87, 177, 203, 261, 269, 413, 531, 609, 807, 1239, 1711, 1827, 1883, 2421, 3717, 5133, 5649, 7801, 11977, 15399, 15871, 16947, 23403, 35931, 47613, 54607, 70209, 107793, 111097, 142839, 163821, 333291, 460259, 491463, 999873, 1380777, 3221813, 4142331, 9665439, 28996317]

約数ペア:

[(1, 28996317), (3, 9665439), (7, 4142331), (9, 3221813), (21, 1380777), (29, 999873), (59, 491463), (63, 460259), (87, 333291), (177, 163821), (203, 142839), (261, 111097), (269, 107793), (413, 70209), (531, 54607), (609, 47613), (807, 35931), (1239, 23403), (1711, 16947), (1827, 15871), (1883, 15399), (2421, 11977), (3717, 7801), (5133, 5649)]