64487619

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{751}}^1$

素因数の和:840

約数の個数: 48

約数和(自身を含む): 112619520

約数和(自身を除く): 48131901

約数列:

[1, 3, 7, 9, 21, 29, 47, 63, 87, 141, 203, 261, 329, 423, 609, 751, 987, 1363, 1827, 2253, 2961, 4089, 5257, 6759, 9541, 12267, 15771, 21779, 28623, 35297, 47313, 65337, 85869, 105891, 152453, 196011, 247079, 317673, 457359, 741237, 1023613, 1372077, 2223711, 3070839, 7165291, 9212517, 21495873, 64487619]

約数ペア:

[(1, 64487619), (3, 21495873), (7, 9212517), (9, 7165291), (21, 3070839), (29, 2223711), (47, 1372077), (63, 1023613), (87, 741237), (141, 457359), (203, 317673), (261, 247079), (329, 196011), (423, 152453), (609, 105891), (751, 85869), (987, 65337), (1363, 47313), (1827, 35297), (2253, 28623), (2961, 21779), (4089, 15771), (5257, 12267), (6759, 9541)]