31784475

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 56433888

約数和(自身を除く): 24649413

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 97, 255, 257, 291, 425, 485, 771, 1275, 1285, 1455, 1649, 2425, 3855, 4369, 4947, 6425, 7275, 8245, 13107, 19275, 21845, 24735, 24929, 41225, 65535, 74787, 109225, 123675, 124645, 327675, 373935, 423793, 623225, 1271379, 1869675, 2118965, 6356895, 10594825, 31784475]

約数ペア:

[(1, 31784475), (3, 10594825), (5, 6356895), (15, 2118965), (17, 1869675), (25, 1271379), (51, 623225), (75, 423793), (85, 373935), (97, 327675), (255, 124645), (257, 123675), (291, 109225), (425, 74787), (485, 65535), (771, 41225), (1275, 24929), (1285, 24735), (1455, 21845), (1649, 19275), (2425, 13107), (3855, 8245), (4369, 7275), (4947, 6425)]