78525525

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1873}}^1$

素因数の和:1942

約数の個数: 48

約数和(自身を含む): 143143616

約数和(自身を除く): 64618091

約数列:

[1, 3, 5, 13, 15, 25, 39, 43, 65, 75, 129, 195, 215, 325, 559, 645, 975, 1075, 1677, 1873, 2795, 3225, 5619, 8385, 9365, 13975, 24349, 28095, 41925, 46825, 73047, 80539, 121745, 140475, 241617, 365235, 402695, 608725, 1047007, 1208085, 1826175, 2013475, 3141021, 5235035, 6040425, 15705105, 26175175, 78525525]

約数ペア:

[(1, 78525525), (3, 26175175), (5, 15705105), (13, 6040425), (15, 5235035), (25, 3141021), (39, 2013475), (43, 1826175), (65, 1208085), (75, 1047007), (129, 608725), (195, 402695), (215, 365235), (325, 241617), (559, 140475), (645, 121745), (975, 80539), (1075, 73047), (1677, 46825), (1873, 41925), (2795, 28095), (3225, 24349), (5619, 13975), (8385, 9365)]