71885775

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4337}}^1$

素因数の和:4380

約数の個数: 48

約数和(自身を含む): 135553824

約数和(自身を除く): 63668049

約数列:

[1, 3, 5, 13, 15, 17, 25, 39, 51, 65, 75, 85, 195, 221, 255, 325, 425, 663, 975, 1105, 1275, 3315, 4337, 5525, 13011, 16575, 21685, 56381, 65055, 73729, 108425, 169143, 221187, 281905, 325275, 368645, 845715, 958477, 1105935, 1409525, 1843225, 2875431, 4228575, 4792385, 5529675, 14377155, 23961925, 71885775]

約数ペア:

[(1, 71885775), (3, 23961925), (5, 14377155), (13, 5529675), (15, 4792385), (17, 4228575), (25, 2875431), (39, 1843225), (51, 1409525), (65, 1105935), (75, 958477), (85, 845715), (195, 368645), (221, 325275), (255, 281905), (325, 221187), (425, 169143), (663, 108425), (975, 73729), (1105, 65055), (1275, 56381), (3315, 21685), (4337, 16575), (5525, 13011)]