78537225

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{739}}^1$

素因数の和:874

約数の個数: 48

約数和(自身を含む): 141310400

約数和(自身を除く): 62773175

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 109, 195, 325, 327, 545, 739, 975, 1417, 1635, 2217, 2725, 3695, 4251, 7085, 8175, 9607, 11085, 18475, 21255, 28821, 35425, 48035, 55425, 80551, 106275, 144105, 240175, 241653, 402755, 720525, 1047163, 1208265, 2013775, 3141489, 5235815, 6041325, 15707445, 26179075, 78537225]

約数ペア:

[(1, 78537225), (3, 26179075), (5, 15707445), (13, 6041325), (15, 5235815), (25, 3141489), (39, 2013775), (65, 1208265), (75, 1047163), (109, 720525), (195, 402755), (325, 241653), (327, 240175), (545, 144105), (739, 106275), (975, 80551), (1417, 55425), (1635, 48035), (2217, 35425), (2725, 28821), (3695, 21255), (4251, 18475), (7085, 11085), (8175, 9607)]