64478841

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1657}}^1$

素因数の和:1793

約数の個数: 32

約数和(自身を含む): 105050880

約数和(自身を除く): 40572039

約数列:

[1, 3, 7, 17, 21, 51, 109, 119, 327, 357, 763, 1657, 1853, 2289, 4971, 5559, 11599, 12971, 28169, 34797, 38913, 84507, 180613, 197183, 541839, 591549, 1264291, 3070421, 3792873, 9211263, 21492947, 64478841]

約数ペア:

[(1, 64478841), (3, 21492947), (7, 9211263), (17, 3792873), (21, 3070421), (51, 1264291), (109, 591549), (119, 541839), (327, 197183), (357, 180613), (763, 84507), (1657, 38913), (1853, 34797), (2289, 28169), (4971, 12971), (5559, 11599)]