78911997

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{20663}}^1$

素因数の和:20752

約数の個数: 16

約数和(自身を含む): 112412160

約数和(自身を除く): 33500163

約数列:

[1, 3, 19, 57, 67, 201, 1273, 3819, 20663, 61989, 392597, 1177791, 1384421, 4153263, 26303999, 78911997]

約数ペア:

[(1, 78911997), (3, 26303999), (19, 4153263), (57, 1384421), (67, 1177791), (201, 392597), (1273, 61989), (3819, 20663)]