16505205

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1997}}^1$

素因数の和:2053

約数の個数: 32

約数和(自身を含む): 28771200

約数和(自身を除く): 12265995

約数列:

[1, 3, 5, 15, 19, 29, 57, 87, 95, 145, 285, 435, 551, 1653, 1997, 2755, 5991, 8265, 9985, 29955, 37943, 57913, 113829, 173739, 189715, 289565, 569145, 868695, 1100347, 3301041, 5501735, 16505205]

約数ペア:

[(1, 16505205), (3, 5501735), (5, 3301041), (15, 1100347), (19, 868695), (29, 569145), (57, 289565), (87, 189715), (95, 173739), (145, 113829), (285, 57913), (435, 37943), (551, 29955), (1653, 9985), (1997, 8265), (2755, 5991)]