2005142775

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{523}}^1$

素因数の和:681

約数の個数: 96

約数和(自身を含む): 3667765248

約数和(自身を除く): 1662622473

約数列:

[1, 3, 5, 15, 17, 25, 31, 51, 75, 85, 93, 97, 155, 255, 291, 425, 465, 485, 523, 527, 775, 1275, 1455, 1569, 1581, 1649, 2325, 2425, 2615, 2635, 3007, 4947, 7275, 7845, 7905, 8245, 8891, 9021, 13075, 13175, 15035, 16213, 24735, 26673, 39225, 39525, 41225, 44455, 45105, 48639, 50731, 51119, 75175, 81065, 123675, 133365, 152193, 153357, 222275, 225525, 243195, 253655, 255595, 275621, 405325, 666825, 760965, 766785, 826863, 862427, 1215975, 1268275, 1277975, 1378105, 1572661, 2587281, 3804825, 3833925, 4134315, 4312135, 4717983, 6890525, 7863305, 12936405, 20671575, 21560675, 23589915, 26735237, 39316525, 64682025, 80205711, 117949575, 133676185, 401028555, 668380925, 2005142775]

約数ペア:

[(1, 2005142775), (3, 668380925), (5, 401028555), (15, 133676185), (17, 117949575), (25, 80205711), (31, 64682025), (51, 39316525), (75, 26735237), (85, 23589915), (93, 21560675), (97, 20671575), (155, 12936405), (255, 7863305), (291, 6890525), (425, 4717983), (465, 4312135), (485, 4134315), (523, 3833925), (527, 3804825), (775, 2587281), (1275, 1572661), (1455, 1378105), (1569, 1277975), (1581, 1268275), (1649, 1215975), (2325, 862427), (2425, 826863), (2615, 766785), (2635, 760965), (3007, 666825), (4947, 405325), (7275, 275621), (7845, 255595), (7905, 253655), (8245, 243195), (8891, 225525), (9021, 222275), (13075, 153357), (13175, 152193), (15035, 133365), (16213, 123675), (24735, 81065), (26673, 75175), (39225, 51119), (39525, 50731), (41225, 48639), (44455, 45105)]