17908155

素因数分解:

$3^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1217}}^1$

素因数の和:1340

約数の個数: 32

約数和(自身を含む): 32155200

約数和(自身を除く): 14247045

約数列:

[1, 3, 5, 9, 15, 27, 45, 109, 135, 327, 545, 981, 1217, 1635, 2943, 3651, 4905, 6085, 10953, 14715, 18255, 32859, 54765, 132653, 164295, 397959, 663265, 1193877, 1989795, 3581631, 5969385, 17908155]

約数ペア:

[(1, 17908155), (3, 5969385), (5, 3581631), (9, 1989795), (15, 1193877), (27, 663265), (45, 397959), (109, 164295), (135, 132653), (327, 54765), (545, 32859), (981, 18255), (1217, 14715), (1635, 10953), (2943, 6085), (3651, 4905)]