69910281

素因数分解:

$3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{10987}}^1$

素因数の和:11101

約数の個数: 24

約数和(自身を含む): 116560704

約数和(自身を除く): 46650423

約数列:

[1, 3, 7, 9, 21, 63, 101, 303, 707, 909, 2121, 6363, 10987, 32961, 76909, 98883, 230727, 692181, 1109687, 3329061, 7767809, 9987183, 23303427, 69910281]

約数ペア:

[(1, 69910281), (3, 23303427), (7, 9987183), (9, 7767809), (21, 3329061), (63, 1109687), (101, 692181), (303, 230727), (707, 98883), (909, 76909), (2121, 32961), (6363, 10987)]