64819251

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{7297}}^1$

素因数の和:7360

約数の個数: 32

約数和(自身を含む): 112097280

約数和(自身を除く): 47278029

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 141, 189, 329, 423, 987, 1269, 2961, 7297, 8883, 21891, 51079, 65673, 153237, 197019, 342959, 459711, 1028877, 1379133, 2400713, 3086631, 7202139, 9259893, 21606417, 64819251]

約数ペア:

[(1, 64819251), (3, 21606417), (7, 9259893), (9, 7202139), (21, 3086631), (27, 2400713), (47, 1379133), (63, 1028877), (141, 459711), (189, 342959), (329, 197019), (423, 153237), (987, 65673), (1269, 51079), (2961, 21891), (7297, 8883)]