1216335

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{619}}^1$

素因数の和:758

約数の個数: 16

約数和(自身を含む): 1964160

約数和(自身を除く): 747825

約数列:

[1, 3, 5, 15, 131, 393, 619, 655, 1857, 1965, 3095, 9285, 81089, 243267, 405445, 1216335]

約数ペア:

[(1, 1216335), (3, 405445), (5, 243267), (15, 81089), (131, 9285), (393, 3095), (619, 1965), (655, 1857)]