286905591

素因数分解:

$3^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:385

約数の個数: 64

約数和(自身を含む): 499609600

約数和(自身を除く): 212704009

約数列:

[1, 3, 7, 9, 21, 27, 63, 67, 139, 163, 189, 201, 417, 469, 489, 603, 973, 1141, 1251, 1407, 1467, 1809, 2919, 3423, 3753, 4221, 4401, 8757, 9313, 10269, 10921, 12663, 22657, 26271, 27939, 30807, 32763, 65191, 67971, 76447, 83817, 98289, 158599, 195573, 203913, 229341, 251451, 294867, 475797, 586719, 611739, 688023, 1427391, 1518019, 1760157, 2064069, 4282173, 4554057, 10626133, 13662171, 31878399, 40986513, 95635197, 286905591]

約数ペア:

[(1, 286905591), (3, 95635197), (7, 40986513), (9, 31878399), (21, 13662171), (27, 10626133), (63, 4554057), (67, 4282173), (139, 2064069), (163, 1760157), (189, 1518019), (201, 1427391), (417, 688023), (469, 611739), (489, 586719), (603, 475797), (973, 294867), (1141, 251451), (1251, 229341), (1407, 203913), (1467, 195573), (1809, 158599), (2919, 98289), (3423, 83817), (3753, 76447), (4221, 67971), (4401, 65191), (8757, 32763), (9313, 30807), (10269, 27939), (10921, 26271), (12663, 22657)]