81275103

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1741}}^1$

素因数の和:1789

約数の個数: 64

約数和(自身を含む): 156083200

約数和(自身を除く): 74808097

約数列:

[1, 3, 7, 9, 13, 19, 21, 27, 39, 57, 63, 91, 117, 133, 171, 189, 247, 273, 351, 399, 513, 741, 819, 1197, 1729, 1741, 2223, 2457, 3591, 5187, 5223, 6669, 12187, 15561, 15669, 22633, 33079, 36561, 46683, 47007, 67899, 99237, 109683, 158431, 203697, 231553, 297711, 329049, 430027, 475293, 611091, 694659, 893133, 1290081, 1425879, 2083977, 3010189, 3870243, 4277637, 6251931, 9030567, 11610729, 27091701, 81275103]

約数ペア:

[(1, 81275103), (3, 27091701), (7, 11610729), (9, 9030567), (13, 6251931), (19, 4277637), (21, 3870243), (27, 3010189), (39, 2083977), (57, 1425879), (63, 1290081), (91, 893133), (117, 694659), (133, 611091), (171, 475293), (189, 430027), (247, 329049), (273, 297711), (351, 231553), (399, 203697), (513, 158431), (741, 109683), (819, 99237), (1197, 67899), (1729, 47007), (1741, 46683), (2223, 36561), (2457, 33079), (3591, 22633), (5187, 15669), (5223, 15561), (6669, 12187)]