81958485

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{1367}}^1$

素因数の和:1953

約数の個数: 32

約数和(自身を含む): 150239232

約数和(自身を除く): 68280747

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 571, 1367, 1713, 2855, 3997, 4101, 6835, 8565, 9569, 11991, 19985, 20505, 28707, 47845, 59955, 143535, 780557, 2341671, 3902785, 5463899, 11708355, 16391697, 27319495, 81958485]

約数ペア:

[(1, 81958485), (3, 27319495), (5, 16391697), (7, 11708355), (15, 5463899), (21, 3902785), (35, 2341671), (105, 780557), (571, 143535), (1367, 59955), (1713, 47845), (2855, 28707), (3997, 20505), (4101, 19985), (6835, 11991), (8565, 9569)]