15121431

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{643}}^1$

素因数の和:732

約数の個数: 32

約数和(自身を含む): 24523520

約数和(自身を除く): 9402089

約数列:

[1, 3, 9, 13, 27, 39, 67, 117, 201, 351, 603, 643, 871, 1809, 1929, 2613, 5787, 7839, 8359, 17361, 23517, 25077, 43081, 75231, 129243, 225693, 387729, 560053, 1163187, 1680159, 5040477, 15121431]

約数ペア:

[(1, 15121431), (3, 5040477), (9, 1680159), (13, 1163187), (27, 560053), (39, 387729), (67, 225693), (117, 129243), (201, 75231), (351, 43081), (603, 25077), (643, 23517), (871, 17361), (1809, 8359), (1929, 7839), (2613, 5787)]