68045145

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{2689}}^1$

素因数の和:2945

約数の個数: 32

約数和(自身を含む): 124988160

約数和(自身を除く): 56943015

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 241, 723, 1205, 1687, 2689, 3615, 5061, 8067, 8435, 13445, 18823, 25305, 40335, 56469, 94115, 282345, 648049, 1944147, 3240245, 4536343, 9720735, 13609029, 22681715, 68045145]

約数ペア:

[(1, 68045145), (3, 22681715), (5, 13609029), (7, 9720735), (15, 4536343), (21, 3240245), (35, 1944147), (105, 648049), (241, 282345), (723, 94115), (1205, 56469), (1687, 40335), (2689, 25305), (3615, 18823), (5061, 13445), (8067, 8435)]