31218033

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{907}}^1$

素因数の和:1077

約数の個数: 32

約数和(自身を含む): 52300800

約数和(自身を除く): 21082767

約数列:

[1, 3, 7, 11, 21, 33, 77, 149, 231, 447, 907, 1043, 1639, 2721, 3129, 4917, 6349, 9977, 11473, 19047, 29931, 34419, 69839, 135143, 209517, 405429, 946001, 1486573, 2838003, 4459719, 10406011, 31218033]

約数ペア:

[(1, 31218033), (3, 10406011), (7, 4459719), (11, 2838003), (21, 1486573), (33, 946001), (77, 405429), (149, 209517), (231, 135143), (447, 69839), (907, 34419), (1043, 29931), (1639, 19047), (2721, 11473), (3129, 9977), (4917, 6349)]