211653

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{67}}^1$

素因数の和:95

約数の個数: 24

約数和(自身を含む): 346528

約数和(自身を除く): 134875

約数列:

[1, 3, 9, 13, 27, 39, 67, 81, 117, 201, 243, 351, 603, 871, 1053, 1809, 2613, 3159, 5427, 7839, 16281, 23517, 70551, 211653]

約数ペア:

[(1, 211653), (3, 70551), (9, 23517), (13, 16281), (27, 7839), (39, 5427), (67, 3159), (81, 2613), (117, 1809), (201, 1053), (243, 871), (351, 603)]