385660215

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{1621}}^1$

素因数の和:1960

約数の個数: 48

約数和(自身を含む): 710513856

約数和(自身を除く): 324853641

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 311, 765, 933, 1555, 1621, 2799, 4665, 4863, 5287, 8105, 13995, 14589, 15861, 24315, 26435, 27557, 47583, 72945, 79305, 82671, 137785, 237915, 248013, 413355, 504131, 1240065, 1512393, 2520655, 4537179, 7561965, 8570227, 22685895, 25710681, 42851135, 77132043, 128553405, 385660215]

約数ペア:

[(1, 385660215), (3, 128553405), (5, 77132043), (9, 42851135), (15, 25710681), (17, 22685895), (45, 8570227), (51, 7561965), (85, 4537179), (153, 2520655), (255, 1512393), (311, 1240065), (765, 504131), (933, 413355), (1555, 248013), (1621, 237915), (2799, 137785), (4665, 82671), (4863, 79305), (5287, 72945), (8105, 47583), (13995, 27557), (14589, 26435), (15861, 24315)]