39875787

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{67}}^2$

素因数の和:197

約数の個数: 48

約数和(自身を含む): 69995520

約数和(自身を除く): 30119733

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 67, 141, 189, 201, 329, 423, 469, 603, 987, 1269, 1407, 1809, 2961, 3149, 4221, 4489, 8883, 9447, 12663, 13467, 22043, 28341, 31423, 40401, 66129, 85023, 94269, 121203, 198387, 210983, 282807, 595161, 632949, 848421, 1476881, 1898847, 4430643, 5696541, 13291929, 39875787]

約数ペア:

[(1, 39875787), (3, 13291929), (7, 5696541), (9, 4430643), (21, 1898847), (27, 1476881), (47, 848421), (63, 632949), (67, 595161), (141, 282807), (189, 210983), (201, 198387), (329, 121203), (423, 94269), (469, 85023), (603, 66129), (987, 40401), (1269, 31423), (1407, 28341), (1809, 22043), (2961, 13467), (3149, 12663), (4221, 9447), (4489, 8883)]