51322515

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 92221440

約数和(自身を除く): 40898925

約数列:

[1, 3, 5, 15, 19, 31, 37, 57, 93, 95, 111, 155, 157, 185, 285, 465, 471, 555, 589, 703, 785, 1147, 1767, 2109, 2355, 2945, 2983, 3441, 3515, 4867, 5735, 5809, 8835, 8949, 10545, 14601, 14915, 17205, 17427, 21793, 24335, 29045, 44745, 65379, 73005, 87135, 92473, 108965, 110371, 180079, 277419, 326895, 331113, 462365, 540237, 551855, 900395, 1387095, 1655565, 2701185, 3421501, 10264503, 17107505, 51322515]

約数ペア:

[(1, 51322515), (3, 17107505), (5, 10264503), (15, 3421501), (19, 2701185), (31, 1655565), (37, 1387095), (57, 900395), (93, 551855), (95, 540237), (111, 462365), (155, 331113), (157, 326895), (185, 277419), (285, 180079), (465, 110371), (471, 108965), (555, 92473), (589, 87135), (703, 73005), (785, 65379), (1147, 44745), (1767, 29045), (2109, 24335), (2355, 21793), (2945, 17427), (2983, 17205), (3441, 14915), (3515, 14601), (4867, 10545), (5735, 8949), (5809, 8835)]