66921543

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{8537}}^1$

素因数の和:8623

約数の個数: 24

約数和(自身を含む): 105666288

約数和(自身を除く): 38744745

約数列:

[1, 3, 9, 13, 39, 67, 117, 201, 603, 871, 2613, 7839, 8537, 25611, 76833, 110981, 332943, 571979, 998829, 1715937, 5147811, 7435727, 22307181, 66921543]

約数ペア:

[(1, 66921543), (3, 22307181), (9, 7435727), (13, 5147811), (39, 1715937), (67, 998829), (117, 571979), (201, 332943), (603, 110981), (871, 76833), (2613, 25611), (7839, 8537)]