81454212

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{7517}}^1$

素因数の和:7577

約数の個数: 72

約数和(自身を含む): 240816576

約数和(自身を除く): 159362364

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 43, 63, 84, 86, 126, 129, 172, 252, 258, 301, 387, 516, 602, 774, 903, 1204, 1548, 1806, 2709, 3612, 5418, 7517, 10836, 15034, 22551, 30068, 45102, 52619, 67653, 90204, 105238, 135306, 157857, 210476, 270612, 315714, 323231, 473571, 631428, 646462, 947142, 969693, 1292924, 1894284, 1939386, 2262617, 2909079, 3878772, 4525234, 5818158, 6787851, 9050468, 11636316, 13575702, 20363553, 27151404, 40727106, 81454212]

約数ペア:

[(1, 81454212), (2, 40727106), (3, 27151404), (4, 20363553), (6, 13575702), (7, 11636316), (9, 9050468), (12, 6787851), (14, 5818158), (18, 4525234), (21, 3878772), (28, 2909079), (36, 2262617), (42, 1939386), (43, 1894284), (63, 1292924), (84, 969693), (86, 947142), (126, 646462), (129, 631428), (172, 473571), (252, 323231), (258, 315714), (301, 270612), (387, 210476), (516, 157857), (602, 135306), (774, 105238), (903, 90204), (1204, 67653), (1548, 52619), (1806, 45102), (2709, 30068), (3612, 22551), (5418, 15034), (7517, 10836)]