31068945

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{2389}}^1$

素因数の和:2434

約数の個数: 36

約数和(自身を含む): 57230940

約数和(自身を除く): 26161995

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 289, 765, 867, 1445, 2389, 2601, 4335, 7167, 11945, 13005, 21501, 35835, 40613, 107505, 121839, 203065, 365517, 609195, 690421, 1827585, 2071263, 3452105, 6213789, 10356315, 31068945]

約数ペア:

[(1, 31068945), (3, 10356315), (5, 6213789), (9, 3452105), (15, 2071263), (17, 1827585), (45, 690421), (51, 609195), (85, 365517), (153, 203065), (255, 121839), (289, 107505), (765, 40613), (867, 35835), (1445, 21501), (2389, 13005), (2601, 11945), (4335, 7167)]