72156825

素因数分解:

$3^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2741}}^1$

素因数の和:2776

約数の個数: 60

約数和(自身を含む): 143993388

約数和(自身を除く): 71836563

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 81, 117, 135, 195, 225, 325, 351, 405, 585, 675, 975, 1053, 1755, 2025, 2741, 2925, 5265, 8223, 8775, 13705, 24669, 26325, 35633, 41115, 68525, 74007, 106899, 123345, 178165, 205575, 222021, 320697, 370035, 534495, 616725, 890825, 962091, 1110105, 1603485, 1850175, 2672475, 2886273, 4810455, 5550525, 8017425, 14431365, 24052275, 72156825]

約数ペア:

[(1, 72156825), (3, 24052275), (5, 14431365), (9, 8017425), (13, 5550525), (15, 4810455), (25, 2886273), (27, 2672475), (39, 1850175), (45, 1603485), (65, 1110105), (75, 962091), (81, 890825), (117, 616725), (135, 534495), (195, 370035), (225, 320697), (325, 222021), (351, 205575), (405, 178165), (585, 123345), (675, 106899), (975, 74007), (1053, 68525), (1755, 41115), (2025, 35633), (2741, 26325), (2925, 24669), (5265, 13705), (8223, 8775)]