25807275

素因数分解:

$3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1$

素因数の和:222

約数の個数: 96

約数和(自身を含む): 54371520

約数和(自身を除く): 28564245

約数列:

[1, 3, 5, 9, 13, 15, 17, 25, 27, 39, 45, 51, 65, 75, 85, 117, 135, 153, 173, 195, 221, 225, 255, 325, 351, 425, 459, 519, 585, 663, 675, 765, 865, 975, 1105, 1275, 1557, 1755, 1989, 2249, 2295, 2595, 2925, 2941, 3315, 3825, 4325, 4671, 5525, 5967, 6747, 7785, 8775, 8823, 9945, 11245, 11475, 12975, 14705, 16575, 20241, 23355, 26469, 29835, 33735, 38233, 38925, 44115, 49725, 56225, 60723, 73525, 79407, 101205, 114699, 116775, 132345, 149175, 168675, 191165, 220575, 303615, 344097, 397035, 506025, 573495, 661725, 955825, 1032291, 1518075, 1720485, 1985175, 2867475, 5161455, 8602425, 25807275]

約数ペア:

[(1, 25807275), (3, 8602425), (5, 5161455), (9, 2867475), (13, 1985175), (15, 1720485), (17, 1518075), (25, 1032291), (27, 955825), (39, 661725), (45, 573495), (51, 506025), (65, 397035), (75, 344097), (85, 303615), (117, 220575), (135, 191165), (153, 168675), (173, 149175), (195, 132345), (221, 116775), (225, 114699), (255, 101205), (325, 79407), (351, 73525), (425, 60723), (459, 56225), (519, 49725), (585, 44115), (663, 38925), (675, 38233), (765, 33735), (865, 29835), (975, 26469), (1105, 23355), (1275, 20241), (1557, 16575), (1755, 14705), (1989, 12975), (2249, 11475), (2295, 11245), (2595, 9945), (2925, 8823), (2941, 8775), (3315, 7785), (3825, 6747), (4325, 5967), (4671, 5525)]