328185255

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:408

約数の個数: 64

約数和(自身を含む): 574801920

約数和(自身を除く): 246616665

約数列:

[1, 3, 5, 15, 17, 47, 51, 85, 139, 141, 197, 235, 255, 417, 591, 695, 705, 799, 985, 2085, 2363, 2397, 2955, 3349, 3995, 6533, 7089, 9259, 10047, 11815, 11985, 16745, 19599, 27383, 27777, 32665, 35445, 46295, 50235, 82149, 97995, 111061, 136915, 138885, 157403, 333183, 410745, 465511, 472209, 555305, 787015, 1287001, 1396533, 1665915, 2327555, 2361045, 3861003, 6435005, 6982665, 19305015, 21879017, 65637051, 109395085, 328185255]

約数ペア:

[(1, 328185255), (3, 109395085), (5, 65637051), (15, 21879017), (17, 19305015), (47, 6982665), (51, 6435005), (85, 3861003), (139, 2361045), (141, 2327555), (197, 1665915), (235, 1396533), (255, 1287001), (417, 787015), (591, 555305), (695, 472209), (705, 465511), (799, 410745), (985, 333183), (2085, 157403), (2363, 138885), (2397, 136915), (2955, 111061), (3349, 97995), (3995, 82149), (6533, 50235), (7089, 46295), (9259, 35445), (10047, 32665), (11815, 27777), (11985, 27383), (16745, 19599)]