15215702499

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{2645749}}^1$

素因数の和:2645832

約数の個数: 20

約数和(自身を含む): 23049774000

約数和(自身を除く): 7834071501

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 2645749, 7937247, 23811741, 71435223, 187848179, 214305669, 563544537, 1690633611, 5071900833, 15215702499]

約数ペア:

[(1, 15215702499), (3, 5071900833), (9, 1690633611), (27, 563544537), (71, 214305669), (81, 187848179), (213, 71435223), (639, 23811741), (1917, 7937247), (5751, 2645749)]