142780071

素因数分解:

$3^1\times 7^2\times {\mathrm{503}}^1\times {\mathrm{1931}}^1$

素因数の和:2451

約数の個数: 24

約数和(自身を含む): 222009984

約数和(自身を除く): 79229913

約数列:

[1, 3, 7, 21, 49, 147, 503, 1509, 1931, 3521, 5793, 10563, 13517, 24647, 40551, 73941, 94619, 283857, 971293, 2913879, 6799051, 20397153, 47593357, 142780071]

約数ペア:

[(1, 142780071), (3, 47593357), (7, 20397153), (21, 6799051), (49, 2913879), (147, 971293), (503, 283857), (1509, 94619), (1931, 73941), (3521, 40551), (5793, 24647), (10563, 13517)]