63938553

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:198

約数の個数: 64

約数和(自身を含む): 108564480

約数和(自身を除く): 44625927

約数列:

[1, 3, 7, 19, 21, 37, 57, 61, 71, 111, 133, 183, 213, 259, 399, 427, 497, 703, 777, 1159, 1281, 1349, 1491, 2109, 2257, 2627, 3477, 4047, 4331, 4921, 6771, 7881, 8113, 9443, 12993, 14763, 15799, 18389, 24339, 28329, 30317, 42883, 47397, 49913, 55167, 82289, 90951, 128649, 149739, 160247, 246867, 300181, 349391, 480741, 576023, 900543, 1048173, 1121729, 1728069, 3044693, 3365187, 9134079, 21312851, 63938553]

約数ペア:

[(1, 63938553), (3, 21312851), (7, 9134079), (19, 3365187), (21, 3044693), (37, 1728069), (57, 1121729), (61, 1048173), (71, 900543), (111, 576023), (133, 480741), (183, 349391), (213, 300181), (259, 246867), (399, 160247), (427, 149739), (497, 128649), (703, 90951), (777, 82289), (1159, 55167), (1281, 49913), (1349, 47397), (1491, 42883), (2109, 30317), (2257, 28329), (2627, 24339), (3477, 18389), (4047, 15799), (4331, 14763), (4921, 12993), (6771, 9443), (7881, 8113)]