221041205

素因数分解:

$5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{11717}}^1$

素因数の和:11754

約数の個数: 32

約数和(自身を含む): 337478400

約数和(自身を除く): 116437195

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 343, 385, 539, 1715, 2695, 3773, 11717, 18865, 58585, 82019, 128887, 410095, 574133, 644435, 902209, 2870665, 4018931, 4511045, 6315463, 20094655, 31577315, 44208241, 221041205]

約数ペア:

[(1, 221041205), (5, 44208241), (7, 31577315), (11, 20094655), (35, 6315463), (49, 4511045), (55, 4018931), (77, 2870665), (245, 902209), (343, 644435), (385, 574133), (539, 410095), (1715, 128887), (2695, 82019), (3773, 58585), (11717, 18865)]