82628025

素因数分解:

$3^1\times 5^2\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 141419520

約数和(自身を除く): 58791495

約数列:

[1, 3, 5, 15, 25, 59, 71, 75, 177, 213, 263, 295, 355, 789, 885, 1065, 1315, 1475, 1775, 3945, 4189, 4425, 5325, 6575, 12567, 15517, 18673, 19725, 20945, 46551, 56019, 62835, 77585, 93365, 104725, 232755, 280095, 314175, 387925, 466825, 1101707, 1163775, 1400475, 3305121, 5508535, 16525605, 27542675, 82628025]

約数ペア:

[(1, 82628025), (3, 27542675), (5, 16525605), (15, 5508535), (25, 3305121), (59, 1400475), (71, 1163775), (75, 1101707), (177, 466825), (213, 387925), (263, 314175), (295, 280095), (355, 232755), (789, 104725), (885, 93365), (1065, 77585), (1315, 62835), (1475, 56019), (1775, 46551), (3945, 20945), (4189, 19725), (4425, 18673), (5325, 15517), (6575, 12567)]