216939855

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{883}}^1\times {\mathrm{1489}}^1$

素因数の和:2391

約数の個数: 32

約数和(自身を含む): 379342080

約数和(自身を除く): 162402225

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 883, 1489, 2649, 4415, 4467, 7445, 9713, 13245, 16379, 22335, 29139, 48565, 49137, 81895, 145695, 245685, 1314787, 3944361, 6573935, 14462657, 19721805, 43387971, 72313285, 216939855]

約数ペア:

[(1, 216939855), (3, 72313285), (5, 43387971), (11, 19721805), (15, 14462657), (33, 6573935), (55, 3944361), (165, 1314787), (883, 245685), (1489, 145695), (2649, 81895), (4415, 49137), (4467, 48565), (7445, 29139), (9713, 22335), (13245, 16379)]