81122457

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1319}}^1$

素因数の和:1437

約数の個数: 32

約数和(自身を含む): 124185600

約数和(自身を除く): 43063143

約数列:

[1, 3, 13, 19, 39, 57, 83, 247, 249, 741, 1079, 1319, 1577, 3237, 3957, 4731, 17147, 20501, 25061, 51441, 61503, 75183, 109477, 325793, 328431, 977379, 1423201, 2080063, 4269603, 6240189, 27040819, 81122457]

約数ペア:

[(1, 81122457), (3, 27040819), (13, 6240189), (19, 4269603), (39, 2080063), (57, 1423201), (83, 977379), (247, 328431), (249, 325793), (741, 109477), (1079, 75183), (1319, 61503), (1577, 51441), (3237, 25061), (3957, 20501), (4731, 17147)]