138861639

素因数分解:

$3^2\times 7^2\times {\mathrm{314879}}^1$

素因数の和:314899

約数の個数: 18

約数和(自身を含む): 233326080

約数和(自身を除く): 94464441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 314879, 944637, 2204153, 2833911, 6612459, 15429071, 19837377, 46287213, 138861639]

約数ペア:

[(1, 138861639), (3, 46287213), (7, 19837377), (9, 15429071), (21, 6612459), (49, 2833911), (63, 2204153), (147, 944637), (441, 314879)]