7972839

素因数分解:

$3^2\times 7^2\times {\mathrm{101}}^1\times {\mathrm{179}}^1$

素因数の和:300

約数の個数: 36

約数和(自身を含む): 13604760

約数和(自身を除く): 5631921

約数列:

[1, 3, 7, 9, 21, 49, 63, 101, 147, 179, 303, 441, 537, 707, 909, 1253, 1611, 2121, 3759, 4949, 6363, 8771, 11277, 14847, 18079, 26313, 44541, 54237, 78939, 126553, 162711, 379659, 885871, 1138977, 2657613, 7972839]

約数ペア:

[(1, 7972839), (3, 2657613), (7, 1138977), (9, 885871), (21, 379659), (49, 162711), (63, 126553), (101, 78939), (147, 54237), (179, 44541), (303, 26313), (441, 18079), (537, 14847), (707, 11277), (909, 8771), (1253, 6363), (1611, 4949), (2121, 3759)]