205121415

素因数分解:

$3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{153649}}^1$

素因数の和:153746

約数の個数: 16

約数和(自身を含む): 331884000

約数和(自身を除く): 126762585

約数列:

[1, 3, 5, 15, 89, 267, 445, 1335, 153649, 460947, 768245, 2304735, 13674761, 41024283, 68373805, 205121415]

約数ペア:

[(1, 205121415), (3, 68373805), (5, 41024283), (15, 13674761), (89, 2304735), (267, 768245), (445, 460947), (1335, 153649)]