81215613

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{557}}^1\times {\mathrm{953}}^1$

素因数の和:1533

約数の個数: 24

約数和(自身を含む): 124565688

約数和(自身を除く): 43350075

約数列:

[1, 3, 9, 17, 51, 153, 557, 953, 1671, 2859, 5013, 8577, 9469, 16201, 28407, 48603, 85221, 145809, 530821, 1592463, 4777389, 9023957, 27071871, 81215613]

約数ペア:

[(1, 81215613), (3, 27071871), (9, 9023957), (17, 4777389), (51, 1592463), (153, 530821), (557, 145809), (953, 85221), (1671, 48603), (2859, 28407), (5013, 16201), (8577, 9469)]