81224247

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 126844928

約数和(自身を除く): 45620681

約数列:

[1, 3, 13, 23, 31, 39, 69, 93, 127, 299, 381, 403, 529, 713, 897, 1209, 1587, 1651, 2139, 2921, 3937, 4953, 6877, 8763, 9269, 11811, 16399, 20631, 27807, 37973, 49197, 51181, 67183, 90551, 113919, 153543, 201549, 213187, 271653, 639561, 873379, 1177163, 2082673, 2620137, 3531489, 6248019, 27074749, 81224247]

約数ペア:

[(1, 81224247), (3, 27074749), (13, 6248019), (23, 3531489), (31, 2620137), (39, 2082673), (69, 1177163), (93, 873379), (127, 639561), (299, 271653), (381, 213187), (403, 201549), (529, 153543), (713, 113919), (897, 90551), (1209, 67183), (1587, 51181), (1651, 49197), (2139, 37973), (2921, 27807), (3937, 20631), (4953, 16399), (6877, 11811), (8763, 9269)]