15531385

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:177

約数の個数: 32

約数和(自身を含む): 20528640

約数和(自身を除く): 4997255

約数列:

[1, 5, 29, 43, 47, 53, 145, 215, 235, 265, 1247, 1363, 1537, 2021, 2279, 2491, 6235, 6815, 7685, 10105, 11395, 12455, 58609, 66091, 72239, 107113, 293045, 330455, 361195, 535565, 3106277, 15531385]

約数ペア:

[(1, 15531385), (5, 3106277), (29, 535565), (43, 361195), (47, 330455), (53, 293045), (145, 107113), (215, 72239), (235, 66091), (265, 58609), (1247, 12455), (1363, 11395), (1537, 10105), (2021, 7685), (2279, 6815), (2491, 6235)]