1815825

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:126

約数の個数: 48

約数和(自身を含む): 3428352

約数和(自身を除く): 1612527

約数列:

[1, 3, 5, 11, 15, 25, 31, 33, 55, 71, 75, 93, 155, 165, 213, 275, 341, 355, 465, 775, 781, 825, 1023, 1065, 1705, 1775, 2201, 2325, 2343, 3905, 5115, 5325, 6603, 8525, 11005, 11715, 19525, 24211, 25575, 33015, 55025, 58575, 72633, 121055, 165075, 363165, 605275, 1815825]

約数ペア:

[(1, 1815825), (3, 605275), (5, 363165), (11, 165075), (15, 121055), (25, 72633), (31, 58575), (33, 55025), (55, 33015), (71, 25575), (75, 24211), (93, 19525), (155, 11715), (165, 11005), (213, 8525), (275, 6603), (341, 5325), (355, 5115), (465, 3905), (775, 2343), (781, 2325), (825, 2201), (1023, 1775), (1065, 1705)]