780147255

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3059401}}^1$

素因数の和:3059426

約数の個数: 16

約数和(自身を含む): 1321661664

約数和(自身を除く): 541514409

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 3059401, 9178203, 15297005, 45891015, 52009817, 156029451, 260049085, 780147255]

約数ペア:

[(1, 780147255), (3, 260049085), (5, 156029451), (15, 52009817), (17, 45891015), (51, 15297005), (85, 9178203), (255, 3059401)]