6647949

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 12265344

約数和(自身を除く): 5617395

約数列:

[1, 3, 7, 9, 11, 21, 33, 53, 63, 77, 99, 159, 181, 231, 371, 477, 543, 583, 693, 1113, 1267, 1629, 1749, 1991, 3339, 3801, 4081, 5247, 5973, 9593, 11403, 12243, 13937, 17919, 28779, 36729, 41811, 67151, 86337, 105523, 125433, 201453, 316569, 604359, 738661, 949707, 2215983, 6647949]

約数ペア:

[(1, 6647949), (3, 2215983), (7, 949707), (9, 738661), (11, 604359), (21, 316569), (33, 201453), (53, 125433), (63, 105523), (77, 86337), (99, 67151), (159, 41811), (181, 36729), (231, 28779), (371, 17919), (477, 13937), (543, 12243), (583, 11403), (693, 9593), (1113, 5973), (1267, 5247), (1629, 4081), (1749, 3801), (1991, 3339)]