26491605

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{271}}^1$

素因数の和:319

約数の個数: 64

約数和(自身を含む): 52224000

約数和(自身を除く): 25732395

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 57, 95, 105, 133, 147, 245, 271, 285, 343, 399, 665, 735, 813, 931, 1029, 1355, 1715, 1897, 1995, 2793, 4065, 4655, 5145, 5149, 5691, 6517, 9485, 13279, 13965, 15447, 19551, 25745, 28455, 32585, 36043, 39837, 66395, 77235, 92953, 97755, 108129, 180215, 199185, 252301, 278859, 464765, 540645, 756903, 1261505, 1394295, 1766107, 3784515, 5298321, 8830535, 26491605]

約数ペア:

[(1, 26491605), (3, 8830535), (5, 5298321), (7, 3784515), (15, 1766107), (19, 1394295), (21, 1261505), (35, 756903), (49, 540645), (57, 464765), (95, 278859), (105, 252301), (133, 199185), (147, 180215), (245, 108129), (271, 97755), (285, 92953), (343, 77235), (399, 66395), (665, 39837), (735, 36043), (813, 32585), (931, 28455), (1029, 25745), (1355, 19551), (1715, 15447), (1897, 13965), (1995, 13279), (2793, 9485), (4065, 6517), (4655, 5691), (5145, 5149)]