78449931

素因数分解:

$3^3\times 7^3\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 139392000

約数和(自身を除く): 60942069

約数列:

[1, 3, 7, 9, 21, 27, 43, 49, 63, 129, 147, 189, 197, 301, 343, 387, 441, 591, 903, 1029, 1161, 1323, 1379, 1773, 2107, 2709, 3087, 4137, 5319, 6321, 8127, 8471, 9261, 9653, 12411, 14749, 18963, 25413, 28959, 37233, 44247, 56889, 59297, 67571, 76239, 86877, 132741, 177891, 202713, 228717, 260631, 398223, 415079, 533673, 608139, 1245237, 1601019, 1824417, 2905553, 3735711, 8716659, 11207133, 26149977, 78449931]

約数ペア:

[(1, 78449931), (3, 26149977), (7, 11207133), (9, 8716659), (21, 3735711), (27, 2905553), (43, 1824417), (49, 1601019), (63, 1245237), (129, 608139), (147, 533673), (189, 415079), (197, 398223), (301, 260631), (343, 228717), (387, 202713), (441, 177891), (591, 132741), (903, 86877), (1029, 76239), (1161, 67571), (1323, 59297), (1379, 56889), (1773, 44247), (2107, 37233), (2709, 28959), (3087, 25413), (4137, 18963), (5319, 14749), (6321, 12411), (8127, 9653), (8471, 9261)]