15915447

素因数分解:

$3^4\times {\mathrm{349}}^1\times {\mathrm{563}}^1$

素因数の和:924

約数の個数: 20

約数和(自身を含む): 23885400

約数和(自身を除く): 7969953

約数列:

[1, 3, 9, 27, 81, 349, 563, 1047, 1689, 3141, 5067, 9423, 15201, 28269, 45603, 196487, 589461, 1768383, 5305149, 15915447]

約数ペア:

[(1, 15915447), (3, 5305149), (9, 1768383), (27, 589461), (81, 196487), (349, 45603), (563, 28269), (1047, 15201), (1689, 9423), (3141, 5067)]