39019995

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{263}}^1$

素因数の和:441

約数の個数: 64

約数和(自身を含む): 80087040

約数和(自身を除く): 41067045

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 157, 189, 263, 315, 471, 785, 789, 945, 1099, 1315, 1413, 1841, 2355, 2367, 3297, 3945, 4239, 5495, 5523, 7065, 7101, 9205, 9891, 11835, 16485, 16569, 21195, 27615, 29673, 35505, 41291, 49455, 49707, 82845, 123873, 148365, 206455, 248535, 289037, 371619, 619365, 867111, 1114857, 1445185, 1858095, 2601333, 4335555, 5574285, 7803999, 13006665, 39019995]

約数ペア:

[(1, 39019995), (3, 13006665), (5, 7803999), (7, 5574285), (9, 4335555), (15, 2601333), (21, 1858095), (27, 1445185), (35, 1114857), (45, 867111), (63, 619365), (105, 371619), (135, 289037), (157, 248535), (189, 206455), (263, 148365), (315, 123873), (471, 82845), (785, 49707), (789, 49455), (945, 41291), (1099, 35505), (1315, 29673), (1413, 27615), (1841, 21195), (2355, 16569), (2367, 16485), (3297, 11835), (3945, 9891), (4239, 9205), (5495, 7101), (5523, 7065)]