27791805

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{499}}^1$

素因数の和:633

約数の個数: 32

約数和(自身を含む): 46080000

約数和(自身を除く): 18288195

約数列:

[1, 3, 5, 15, 47, 79, 141, 235, 237, 395, 499, 705, 1185, 1497, 2495, 3713, 7485, 11139, 18565, 23453, 39421, 55695, 70359, 117265, 118263, 197105, 351795, 591315, 1852787, 5558361, 9263935, 27791805]

約数ペア:

[(1, 27791805), (3, 9263935), (5, 5558361), (15, 1852787), (47, 591315), (79, 351795), (141, 197105), (235, 118263), (237, 117265), (395, 70359), (499, 55695), (705, 39421), (1185, 23453), (1497, 18565), (2495, 11139), (3713, 7485)]