31893315

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{251}}^1$

素因数の和:499

約数の個数: 32

約数和(自身を含む): 52690176

約数和(自身を除く): 20796861

約数列:

[1, 3, 5, 15, 43, 129, 197, 215, 251, 591, 645, 753, 985, 1255, 2955, 3765, 8471, 10793, 25413, 32379, 42355, 49447, 53965, 127065, 148341, 161895, 247235, 741705, 2126221, 6378663, 10631105, 31893315]

約数ペア:

[(1, 31893315), (3, 10631105), (5, 6378663), (15, 2126221), (43, 741705), (129, 247235), (197, 161895), (215, 148341), (251, 127065), (591, 53965), (645, 49447), (753, 42355), (985, 32379), (1255, 25413), (2955, 10793), (3765, 8471)]