81406458

素因数分解:

$2^1\times 3^5\times 7^1\times {\mathrm{23929}}^1$

素因数の和:23953

約数の個数: 48

約数和(自身を含む): 209052480

約数和(自身を除く): 127646022

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 243, 378, 486, 567, 1134, 1701, 3402, 23929, 47858, 71787, 143574, 167503, 215361, 335006, 430722, 502509, 646083, 1005018, 1292166, 1507527, 1938249, 3015054, 3876498, 4522581, 5814747, 9045162, 11629494, 13567743, 27135486, 40703229, 81406458]

約数ペア:

[(1, 81406458), (2, 40703229), (3, 27135486), (6, 13567743), (7, 11629494), (9, 9045162), (14, 5814747), (18, 4522581), (21, 3876498), (27, 3015054), (42, 1938249), (54, 1507527), (63, 1292166), (81, 1005018), (126, 646083), (162, 502509), (189, 430722), (243, 335006), (378, 215361), (486, 167503), (567, 143574), (1134, 71787), (1701, 47858), (3402, 23929)]