78909417

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{47911}}^1$

素因数の和:47981

約数の個数: 16

約数和(自身を含む): 118821760

約数和(自身を除く): 39912343

約数列:

[1, 3, 9, 27, 61, 183, 549, 1647, 47911, 143733, 431199, 1293597, 2922571, 8767713, 26303139, 78909417]

約数ペア:

[(1, 78909417), (3, 26303139), (9, 8767713), (27, 2922571), (61, 1293597), (183, 431199), (549, 143733), (1647, 47911)]