1621905825

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{677}}^1\times {\mathrm{1879}}^1$

素因数の和:2586

約数の個数: 48

約数和(自身を含む): 2844996480

約数和(自身を除く): 1223090655

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 677, 1275, 1879, 2031, 3385, 5637, 9395, 10155, 11509, 16925, 28185, 31943, 34527, 46975, 50775, 57545, 95829, 140925, 159715, 172635, 287725, 479145, 798575, 863175, 1272083, 2395725, 3816249, 6360415, 19081245, 21625411, 31802075, 64876233, 95406225, 108127055, 324381165, 540635275, 1621905825]

約数ペア:

[(1, 1621905825), (3, 540635275), (5, 324381165), (15, 108127055), (17, 95406225), (25, 64876233), (51, 31802075), (75, 21625411), (85, 19081245), (255, 6360415), (425, 3816249), (677, 2395725), (1275, 1272083), (1879, 863175), (2031, 798575), (3385, 479145), (5637, 287725), (9395, 172635), (10155, 159715), (11509, 140925), (16925, 95829), (28185, 57545), (31943, 50775), (34527, 46975)]