254191815

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{1787}}^1$

素因数の和:1936

約数の個数: 48

約数和(自身を含む): 460231200

約数和(自身を除く): 206039385

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 109, 145, 261, 327, 435, 545, 981, 1305, 1635, 1787, 3161, 4905, 5361, 8935, 9483, 15805, 16083, 26805, 28449, 47415, 51823, 80415, 142245, 155469, 194783, 259115, 466407, 584349, 777345, 973915, 1753047, 2332035, 2921745, 5648707, 8765235, 16946121, 28243535, 50838363, 84730605, 254191815]

約数ペア:

[(1, 254191815), (3, 84730605), (5, 50838363), (9, 28243535), (15, 16946121), (29, 8765235), (45, 5648707), (87, 2921745), (109, 2332035), (145, 1753047), (261, 973915), (327, 777345), (435, 584349), (545, 466407), (981, 259115), (1305, 194783), (1635, 155469), (1787, 142245), (3161, 80415), (4905, 51823), (5361, 47415), (8935, 28449), (9483, 26805), (15805, 16083)]