72381561

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{317}}^1$

素因数の和:541

約数の個数: 32

約数和(自身を含む): 112831488

約数和(自身を除く): 40449927

約数列:

[1, 3, 7, 21, 83, 131, 249, 317, 393, 581, 917, 951, 1743, 2219, 2751, 6657, 10873, 26311, 32619, 41527, 76111, 78933, 124581, 184177, 228333, 290689, 552531, 872067, 3446741, 10340223, 24127187, 72381561]

約数ペア:

[(1, 72381561), (3, 24127187), (7, 10340223), (21, 3446741), (83, 872067), (131, 552531), (249, 290689), (317, 228333), (393, 184177), (581, 124581), (917, 78933), (951, 76111), (1743, 41527), (2219, 32619), (2751, 26311), (6657, 10873)]