18271617

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:198

約数の個数: 64

約数和(自身を含む): 33030144

約数和(自身を除く): 14758527

約数列:

[1, 3, 7, 13, 17, 21, 31, 39, 51, 91, 93, 119, 127, 217, 221, 273, 357, 381, 403, 527, 651, 663, 889, 1209, 1547, 1581, 1651, 2159, 2667, 2821, 3689, 3937, 4641, 4953, 6477, 6851, 8463, 11067, 11557, 11811, 15113, 20553, 27559, 28067, 34671, 45339, 47957, 51181, 66929, 82677, 84201, 143871, 153543, 196469, 200787, 358267, 468503, 589407, 870077, 1074801, 1405509, 2610231, 6090539, 18271617]

約数ペア:

[(1, 18271617), (3, 6090539), (7, 2610231), (13, 1405509), (17, 1074801), (21, 870077), (31, 589407), (39, 468503), (51, 358267), (91, 200787), (93, 196469), (119, 153543), (127, 143871), (217, 84201), (221, 82677), (273, 66929), (357, 51181), (381, 47957), (403, 45339), (527, 34671), (651, 28067), (663, 27559), (889, 20553), (1209, 15113), (1547, 11811), (1581, 11557), (1651, 11067), (2159, 8463), (2667, 6851), (2821, 6477), (3689, 4953), (3937, 4641)]