65520261

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{433}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 107243136

約数和(自身を除く): 41722875

約数列:

[1, 3, 9, 17, 23, 43, 51, 69, 129, 153, 207, 387, 391, 433, 731, 989, 1173, 1299, 2193, 2967, 3519, 3897, 6579, 7361, 8901, 9959, 16813, 18619, 22083, 29877, 50439, 55857, 66249, 89631, 151317, 167571, 169303, 316523, 428237, 507909, 949569, 1284711, 1523727, 2848707, 3854133, 7280029, 21840087, 65520261]

約数ペア:

[(1, 65520261), (3, 21840087), (9, 7280029), (17, 3854133), (23, 2848707), (43, 1523727), (51, 1284711), (69, 949569), (129, 507909), (153, 428237), (207, 316523), (387, 169303), (391, 167571), (433, 151317), (731, 89631), (989, 66249), (1173, 55857), (1299, 50439), (2193, 29877), (2967, 22083), (3519, 18619), (3897, 16813), (6579, 9959), (7361, 8901)]