247700523

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{2879}}^1$

素因数の和:3147

約数の個数: 32

約数和(自身を含む): 401448960

約数和(自身を除く): 153748437

約数列:

[1, 3, 7, 17, 21, 51, 119, 241, 357, 723, 1687, 2879, 4097, 5061, 8637, 12291, 20153, 28679, 48943, 60459, 86037, 146829, 342601, 693839, 1027803, 2081517, 4856873, 11795263, 14570619, 35385789, 82566841, 247700523]

約数ペア:

[(1, 247700523), (3, 82566841), (7, 35385789), (17, 14570619), (21, 11795263), (51, 4856873), (119, 2081517), (241, 1027803), (357, 693839), (723, 342601), (1687, 146829), (2879, 86037), (4097, 60459), (5061, 48943), (8637, 28679), (12291, 20153)]