81221049

素因数分解:

$3^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3673}}^1$

素因数の和:3708

約数の個数: 48

約数和(自身を含む): 149781632

約数和(自身を除く): 68560583

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 243, 273, 351, 567, 819, 1053, 1701, 2457, 3159, 3673, 7371, 11019, 22113, 25711, 33057, 47749, 77133, 99171, 143247, 231399, 297513, 334243, 429741, 694197, 892539, 1002729, 1289223, 2082591, 3008187, 3867669, 6247773, 9024561, 11603007, 27073683, 81221049]

約数ペア:

[(1, 81221049), (3, 27073683), (7, 11603007), (9, 9024561), (13, 6247773), (21, 3867669), (27, 3008187), (39, 2082591), (63, 1289223), (81, 1002729), (91, 892539), (117, 694197), (189, 429741), (243, 334243), (273, 297513), (351, 231399), (567, 143247), (819, 99171), (1053, 77133), (1701, 47749), (2457, 33057), (3159, 25711), (3673, 22113), (7371, 11019)]