178397793

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{313}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 301741440

約数和(自身を除く): 123343647

約数列:

[1, 3, 7, 9, 21, 63, 83, 109, 249, 313, 327, 581, 747, 763, 939, 981, 1743, 2191, 2289, 2817, 5229, 6573, 6867, 9047, 19719, 25979, 27141, 34117, 63329, 77937, 81423, 102351, 181853, 189987, 233811, 238819, 307053, 545559, 569961, 716457, 1636677, 2149371, 2831711, 8495133, 19821977, 25485399, 59465931, 178397793]

約数ペア:

[(1, 178397793), (3, 59465931), (7, 25485399), (9, 19821977), (21, 8495133), (63, 2831711), (83, 2149371), (109, 1636677), (249, 716457), (313, 569961), (327, 545559), (581, 307053), (747, 238819), (763, 233811), (939, 189987), (981, 181853), (1743, 102351), (2191, 81423), (2289, 77937), (2817, 63329), (5229, 34117), (6573, 27141), (6867, 25979), (9047, 19719)]