81231444

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{107449}}^1$

素因数の和:107469

約数の個数: 48

約数和(自身を含む): 240688000

約数和(自身を除く): 159456556

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 107449, 214898, 322347, 429796, 644694, 752143, 967041, 1289388, 1504286, 1934082, 2256429, 2901123, 3008572, 3868164, 4512858, 5802246, 6769287, 9025716, 11604492, 13538574, 20307861, 27077148, 40615722, 81231444]

約数ペア:

[(1, 81231444), (2, 40615722), (3, 27077148), (4, 20307861), (6, 13538574), (7, 11604492), (9, 9025716), (12, 6769287), (14, 5802246), (18, 4512858), (21, 3868164), (27, 3008572), (28, 2901123), (36, 2256429), (42, 1934082), (54, 1504286), (63, 1289388), (84, 967041), (108, 752143), (126, 644694), (189, 429796), (252, 322347), (378, 214898), (756, 107449)]