80939985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{12637}}^1$

素因数の和:12713

約数の個数: 32

約数和(自身を含む): 150442752

約数和(自身を除く): 69502767

約数列:

[1, 3, 5, 7, 15, 21, 35, 61, 105, 183, 305, 427, 915, 1281, 2135, 6405, 12637, 37911, 63185, 88459, 189555, 265377, 442295, 770857, 1326885, 2312571, 3854285, 5395999, 11562855, 16187997, 26979995, 80939985]

約数ペア:

[(1, 80939985), (3, 26979995), (5, 16187997), (7, 11562855), (15, 5395999), (21, 3854285), (35, 2312571), (61, 1326885), (105, 770857), (183, 442295), (305, 265377), (427, 189555), (915, 88459), (1281, 63185), (2135, 37911), (6405, 12637)]