69780291

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{2753}}^1$

素因数の和:2851

約数の個数: 32

約数和(自身を含む): 114213888

約数和(自身を除く): 44433597

約数列:

[1, 3, 7, 17, 21, 51, 71, 119, 213, 357, 497, 1207, 1491, 2753, 3621, 8259, 8449, 19271, 25347, 46801, 57813, 140403, 195463, 327607, 586389, 982821, 1368241, 3322871, 4104723, 9968613, 23260097, 69780291]

約数ペア:

[(1, 69780291), (3, 23260097), (7, 9968613), (17, 4104723), (21, 3322871), (51, 1368241), (71, 982821), (119, 586389), (213, 327607), (357, 195463), (497, 140403), (1207, 57813), (1491, 46801), (2753, 25347), (3621, 19271), (8259, 8449)]