81921672

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{54181}}^1$

素因数の和:54203

約数の個数: 64

約数和(自身を含む): 260073600

約数和(自身を除く): 178151928

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 378, 504, 756, 1512, 54181, 108362, 162543, 216724, 325086, 379267, 433448, 487629, 650172, 758534, 975258, 1137801, 1300344, 1462887, 1517068, 1950516, 2275602, 2925774, 3034136, 3413403, 3901032, 4551204, 5851548, 6826806, 9102408, 10240209, 11703096, 13653612, 20480418, 27307224, 40960836, 81921672]

約数ペア:

[(1, 81921672), (2, 40960836), (3, 27307224), (4, 20480418), (6, 13653612), (7, 11703096), (8, 10240209), (9, 9102408), (12, 6826806), (14, 5851548), (18, 4551204), (21, 3901032), (24, 3413403), (27, 3034136), (28, 2925774), (36, 2275602), (42, 1950516), (54, 1517068), (56, 1462887), (63, 1300344), (72, 1137801), (84, 975258), (108, 758534), (126, 650172), (168, 487629), (189, 433448), (216, 379267), (252, 325086), (378, 216724), (504, 162543), (756, 108362), (1512, 54181)]