66658137

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:294

約数の個数: 64

約数和(自身を含む): 117411840

約数和(自身を除く): 50753703

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 71, 91, 133, 181, 213, 247, 273, 399, 497, 543, 741, 923, 1267, 1349, 1491, 1729, 2353, 2769, 3439, 3801, 4047, 5187, 6461, 7059, 9443, 10317, 12851, 16471, 17537, 19383, 24073, 28329, 38553, 44707, 49413, 52611, 72219, 89957, 122759, 134121, 167063, 244169, 269871, 312949, 368277, 501189, 732507, 938847, 1169441, 1709183, 3174197, 3508323, 5127549, 9522591, 22219379, 66658137]

約数ペア:

[(1, 66658137), (3, 22219379), (7, 9522591), (13, 5127549), (19, 3508323), (21, 3174197), (39, 1709183), (57, 1169441), (71, 938847), (91, 732507), (133, 501189), (181, 368277), (213, 312949), (247, 269871), (273, 244169), (399, 167063), (497, 134121), (543, 122759), (741, 89957), (923, 72219), (1267, 52611), (1349, 49413), (1491, 44707), (1729, 38553), (2353, 28329), (2769, 24073), (3439, 19383), (3801, 17537), (4047, 16471), (5187, 12851), (6461, 10317), (7059, 9443)]