78675813

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{947}}^1$

素因数の和:1154

約数の個数: 32

約数和(自身を含む): 124225920

約数和(自身を除く): 45550107

約数列:

[1, 3, 9, 17, 27, 51, 153, 181, 459, 543, 947, 1629, 2841, 3077, 4887, 8523, 9231, 16099, 25569, 27693, 48297, 83079, 144891, 171407, 434673, 514221, 1542663, 2913919, 4627989, 8741757, 26225271, 78675813]

約数ペア:

[(1, 78675813), (3, 26225271), (9, 8741757), (17, 4627989), (27, 2913919), (51, 1542663), (153, 514221), (181, 434673), (459, 171407), (543, 144891), (947, 83079), (1629, 48297), (2841, 27693), (3077, 25569), (4887, 16099), (8523, 9231)]