28410915

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2749}}^1$

素因数の和:2823

約数の個数: 32

約数和(自身を含む): 49896000

約数和(自身を除く): 21485085

約数列:

[1, 3, 5, 13, 15, 39, 53, 65, 159, 195, 265, 689, 795, 2067, 2749, 3445, 8247, 10335, 13745, 35737, 41235, 107211, 145697, 178685, 437091, 536055, 728485, 1894061, 2185455, 5682183, 9470305, 28410915]

約数ペア:

[(1, 28410915), (3, 9470305), (5, 5682183), (13, 2185455), (15, 1894061), (39, 728485), (53, 536055), (65, 437091), (159, 178685), (195, 145697), (265, 107211), (689, 41235), (795, 35737), (2067, 13745), (2749, 10335), (3445, 8247)]