42145971

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1993}}^1$

素因数の和:2075

約数の個数: 32

約数和(自身を含む): 68912640

約数和(自身を除く): 26766669

約数列:

[1, 3, 7, 19, 21, 53, 57, 133, 159, 371, 399, 1007, 1113, 1993, 3021, 5979, 7049, 13951, 21147, 37867, 41853, 105629, 113601, 265069, 316887, 739403, 795207, 2006951, 2218209, 6020853, 14048657, 42145971]

約数ペア:

[(1, 42145971), (3, 14048657), (7, 6020853), (19, 2218209), (21, 2006951), (53, 795207), (57, 739403), (133, 316887), (159, 265069), (371, 113601), (399, 105629), (1007, 41853), (1113, 37867), (1993, 21147), (3021, 13951), (5979, 7049)]