74945775

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1367}}^1$

素因数の和:1440

約数の個数: 48

約数和(自身を含む): 134348544

約数和(自身を除く): 59402769

約数列:

[1, 3, 5, 15, 17, 25, 43, 51, 75, 85, 129, 215, 255, 425, 645, 731, 1075, 1275, 1367, 2193, 3225, 3655, 4101, 6835, 10965, 18275, 20505, 23239, 34175, 54825, 58781, 69717, 102525, 116195, 176343, 293905, 348585, 580975, 881715, 999277, 1469525, 1742925, 2997831, 4408575, 4996385, 14989155, 24981925, 74945775]

約数ペア:

[(1, 74945775), (3, 24981925), (5, 14989155), (15, 4996385), (17, 4408575), (25, 2997831), (43, 1742925), (51, 1469525), (75, 999277), (85, 881715), (129, 580975), (215, 348585), (255, 293905), (425, 176343), (645, 116195), (731, 102525), (1075, 69717), (1275, 58781), (1367, 54825), (2193, 34175), (3225, 23239), (3655, 20505), (4101, 18275), (6835, 10965)]