78197091

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 126403200

約数和(自身を除く): 48206109

約数列:

[1, 3, 7, 21, 43, 49, 89, 129, 139, 147, 267, 301, 417, 623, 903, 973, 1869, 2107, 2919, 3827, 4361, 5977, 6321, 6811, 11481, 12371, 13083, 17931, 20433, 26789, 37113, 41839, 80367, 86597, 125517, 187523, 259791, 292873, 531953, 562569, 606179, 878619, 1595859, 1818537, 3723671, 11171013, 26065697, 78197091]

約数ペア:

[(1, 78197091), (3, 26065697), (7, 11171013), (21, 3723671), (43, 1818537), (49, 1595859), (89, 878619), (129, 606179), (139, 562569), (147, 531953), (267, 292873), (301, 259791), (417, 187523), (623, 125517), (903, 86597), (973, 80367), (1869, 41839), (2107, 37113), (2919, 26789), (3827, 20433), (4361, 17931), (5977, 13083), (6321, 12371), (6811, 11481)]