81173475

素因数分解:

$3^3\times 5^2\times {\mathrm{53}}^1\times {\mathrm{2269}}^1$

素因数の和:2341

約数の個数: 48

約数和(自身を含む): 151999200

約数和(自身を除く): 70825725

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 53, 75, 135, 159, 225, 265, 477, 675, 795, 1325, 1431, 2269, 2385, 3975, 6807, 7155, 11345, 11925, 20421, 34035, 35775, 56725, 61263, 102105, 120257, 170175, 306315, 360771, 510525, 601285, 1082313, 1531575, 1803855, 3006425, 3246939, 5411565, 9019275, 16234695, 27057825, 81173475]

約数ペア:

[(1, 81173475), (3, 27057825), (5, 16234695), (9, 9019275), (15, 5411565), (25, 3246939), (27, 3006425), (45, 1803855), (53, 1531575), (75, 1082313), (135, 601285), (159, 510525), (225, 360771), (265, 306315), (477, 170175), (675, 120257), (795, 102105), (1325, 61263), (1431, 56725), (2269, 35775), (2385, 34035), (3975, 20421), (6807, 11925), (7155, 11345)]