212645487

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{431}}^1$

素因数の和:623

約数の個数: 32

約数和(自身を含む): 302330880

約数和(自身を除く): 89685393

約数列:

[1, 3, 29, 53, 87, 107, 159, 321, 431, 1293, 1537, 3103, 4611, 5671, 9309, 12499, 17013, 22843, 37497, 46117, 68529, 138351, 164459, 493377, 662447, 1337393, 1987341, 2444201, 4012179, 7332603, 70881829, 212645487]

約数ペア:

[(1, 212645487), (3, 70881829), (29, 7332603), (53, 4012179), (87, 2444201), (107, 1987341), (159, 1337393), (321, 662447), (431, 493377), (1293, 164459), (1537, 138351), (3103, 68529), (4611, 46117), (5671, 37497), (9309, 22843), (12499, 17013)]