7121455

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:255

約数の個数: 24

約数和(自身を含む): 9576000

約数和(自身を除く): 2454545

約数列:

[1, 5, 11, 55, 79, 121, 149, 395, 605, 745, 869, 1639, 4345, 8195, 9559, 11771, 18029, 47795, 58855, 90145, 129481, 647405, 1424291, 7121455]

約数ペア:

[(1, 7121455), (5, 1424291), (11, 647405), (55, 129481), (79, 90145), (121, 58855), (149, 47795), (395, 18029), (605, 11771), (745, 9559), (869, 8195), (1639, 4345)]