65981013

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{389}}^1$

素因数の和:637

約数の個数: 32

約数和(自身を含む): 103783680

約数和(自身を除く): 37802667

約数列:

[1, 3, 7, 21, 41, 123, 197, 287, 389, 591, 861, 1167, 1379, 2723, 4137, 8077, 8169, 15949, 24231, 47847, 56539, 76633, 111643, 169617, 229899, 334929, 536431, 1609293, 3141953, 9425859, 21993671, 65981013]

約数ペア:

[(1, 65981013), (3, 21993671), (7, 9425859), (21, 3141953), (41, 1609293), (123, 536431), (197, 334929), (287, 229899), (389, 169617), (591, 111643), (861, 76633), (1167, 56539), (1379, 47847), (2723, 24231), (4137, 15949), (8077, 8169)]