87919215

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{1009}}^1$

素因数の和:1211

約数の個数: 32

約数和(自身を含む): 145536960

約数和(自身を除く): 57617745

約数列:

[1, 3, 5, 15, 37, 111, 157, 185, 471, 555, 785, 1009, 2355, 3027, 5045, 5809, 15135, 17427, 29045, 37333, 87135, 111999, 158413, 186665, 475239, 559995, 792065, 2376195, 5861281, 17583843, 29306405, 87919215]

約数ペア:

[(1, 87919215), (3, 29306405), (5, 17583843), (15, 5861281), (37, 2376195), (111, 792065), (157, 559995), (185, 475239), (471, 186665), (555, 158413), (785, 111999), (1009, 87135), (2355, 37333), (3027, 29045), (5045, 17427), (5809, 15135)]