51506655

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{431}}^1$

素因数の和:727

約数の個数: 32

約数和(自身を含む): 85598208

約数和(自身を除く): 34091553

約数列:

[1, 3, 5, 15, 31, 93, 155, 257, 431, 465, 771, 1285, 1293, 2155, 3855, 6465, 7967, 13361, 23901, 39835, 40083, 66805, 110767, 119505, 200415, 332301, 553835, 1661505, 3433777, 10301331, 17168885, 51506655]

約数ペア:

[(1, 51506655), (3, 17168885), (5, 10301331), (15, 3433777), (31, 1661505), (93, 553835), (155, 332301), (257, 200415), (431, 119505), (465, 110767), (771, 66805), (1285, 40083), (1293, 39835), (2155, 23901), (3855, 13361), (6465, 7967)]