78718311

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7307}}^1$

素因数の和:7345

約数の個数: 40

約数和(自身を含む): 141482880

約数和(自身を除く): 62764569

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 399, 513, 567, 1197, 1539, 3591, 7307, 10773, 21921, 51149, 65763, 138833, 153447, 197289, 416499, 460341, 591867, 971831, 1249497, 1381023, 2915493, 3748491, 4143069, 8746479, 11245473, 26239437, 78718311]

約数ペア:

[(1, 78718311), (3, 26239437), (7, 11245473), (9, 8746479), (19, 4143069), (21, 3748491), (27, 2915493), (57, 1381023), (63, 1249497), (81, 971831), (133, 591867), (171, 460341), (189, 416499), (399, 197289), (513, 153447), (567, 138833), (1197, 65763), (1539, 51149), (3591, 21921), (7307, 10773)]