41978937

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1997}}^1$

素因数の和:2038

約数の個数: 48

約数和(自身を含む): 76531392

約数和(自身を除く): 34552455

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 49, 77, 91, 143, 147, 231, 273, 429, 539, 637, 1001, 1617, 1911, 1997, 3003, 5991, 7007, 13979, 21021, 21967, 25961, 41937, 65901, 77883, 97853, 153769, 181727, 285571, 293559, 461307, 545181, 856713, 1076383, 1272089, 1998997, 3229149, 3816267, 5996991, 13992979, 41978937]

約数ペア:

[(1, 41978937), (3, 13992979), (7, 5996991), (11, 3816267), (13, 3229149), (21, 1998997), (33, 1272089), (39, 1076383), (49, 856713), (77, 545181), (91, 461307), (143, 293559), (147, 285571), (231, 181727), (273, 153769), (429, 97853), (539, 77883), (637, 65901), (1001, 41937), (1617, 25961), (1911, 21967), (1997, 21021), (3003, 13979), (5991, 7007)]