16705305

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1$

素因数の和:311

約数の個数: 64

約数和(自身を含む): 32659200

約数和(自身を除く): 15953895

約数列:

[1, 3, 5, 9, 15, 17, 27, 29, 45, 51, 85, 87, 135, 145, 153, 251, 255, 261, 435, 459, 493, 753, 765, 783, 1255, 1305, 1479, 2259, 2295, 2465, 3765, 3915, 4267, 4437, 6777, 7279, 7395, 11295, 12801, 13311, 21335, 21837, 22185, 33885, 36395, 38403, 64005, 65511, 66555, 109185, 115209, 123743, 192015, 196533, 327555, 371229, 576045, 618715, 982665, 1113687, 1856145, 3341061, 5568435, 16705305]

約数ペア:

[(1, 16705305), (3, 5568435), (5, 3341061), (9, 1856145), (15, 1113687), (17, 982665), (27, 618715), (29, 576045), (45, 371229), (51, 327555), (85, 196533), (87, 192015), (135, 123743), (145, 115209), (153, 109185), (251, 66555), (255, 65511), (261, 64005), (435, 38403), (459, 36395), (493, 33885), (753, 22185), (765, 21837), (783, 21335), (1255, 13311), (1305, 12801), (1479, 11295), (2259, 7395), (2295, 7279), (2465, 6777), (3765, 4437), (3915, 4267)]