1900545255

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{18451}}^1$

素因数の和:18581

約数の個数: 64

約数和(自身を含む): 3897062400

約数和(自身を除く): 1996517145

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 109, 135, 189, 315, 327, 545, 763, 945, 981, 1635, 2289, 2943, 3815, 4905, 6867, 11445, 14715, 18451, 20601, 34335, 55353, 92255, 103005, 129157, 166059, 276765, 387471, 498177, 645785, 830295, 1162413, 1937355, 2011159, 2490885, 3487239, 5812065, 6033477, 10055795, 14078113, 17436195, 18100431, 30167385, 42234339, 54301293, 70390565, 90502155, 126703017, 211171695, 271506465, 380109051, 633515085, 1900545255]

約数ペア:

[(1, 1900545255), (3, 633515085), (5, 380109051), (7, 271506465), (9, 211171695), (15, 126703017), (21, 90502155), (27, 70390565), (35, 54301293), (45, 42234339), (63, 30167385), (105, 18100431), (109, 17436195), (135, 14078113), (189, 10055795), (315, 6033477), (327, 5812065), (545, 3487239), (763, 2490885), (945, 2011159), (981, 1937355), (1635, 1162413), (2289, 830295), (2943, 645785), (3815, 498177), (4905, 387471), (6867, 276765), (11445, 166059), (14715, 129157), (18451, 103005), (20601, 92255), (34335, 55353)]