785171331

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{283}}^1\times {\mathrm{937}}^1$

素因数の和:1280

約数の個数: 48

約数和(自身を含む): 1329828864

約数和(自身を除く): 544657533

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 283, 329, 423, 849, 937, 987, 1981, 2547, 2811, 2961, 5943, 6559, 8433, 13301, 17829, 19677, 39903, 44039, 59031, 93107, 119709, 132117, 265171, 279321, 308273, 396351, 795513, 837963, 924819, 1856197, 2386539, 2774457, 5568591, 12463037, 16705773, 37389111, 87241259, 112167333, 261723777, 785171331]

約数ペア:

[(1, 785171331), (3, 261723777), (7, 112167333), (9, 87241259), (21, 37389111), (47, 16705773), (63, 12463037), (141, 5568591), (283, 2774457), (329, 2386539), (423, 1856197), (849, 924819), (937, 837963), (987, 795513), (1981, 396351), (2547, 308273), (2811, 279321), (2961, 265171), (5943, 132117), (6559, 119709), (8433, 93107), (13301, 59031), (17829, 44039), (19677, 39903)]