66990903

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{443}}^1$

素因数の和:851

約数の個数: 32

約数和(自身を含む): 107980800

約数和(自身を除く): 40989897

約数列:

[1, 3, 7, 19, 21, 57, 133, 379, 399, 443, 1137, 1329, 2653, 3101, 7201, 7959, 8417, 9303, 21603, 25251, 50407, 58919, 151221, 167897, 176757, 503691, 1175279, 3190043, 3525837, 9570129, 22330301, 66990903]

約数ペア:

[(1, 66990903), (3, 22330301), (7, 9570129), (19, 3525837), (21, 3190043), (57, 1175279), (133, 503691), (379, 176757), (399, 167897), (443, 151221), (1137, 58919), (1329, 50407), (2653, 25251), (3101, 21603), (7201, 9303), (7959, 8417)]