28780491201

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1754801}}^1$

素因数の和:1754893

約数の個数: 32

約数和(自身を含む): 48516765696

約数和(自身を除く): 19736274495

約数列:

[1, 3, 7, 11, 21, 33, 71, 77, 213, 231, 497, 781, 1491, 2343, 5467, 16401, 1754801, 5264403, 12283607, 19302811, 36850821, 57908433, 124590871, 135119677, 373772613, 405359031, 872136097, 1370499581, 2616408291, 4111498743, 9593497067, 28780491201]

約数ペア:

[(1, 28780491201), (3, 9593497067), (7, 4111498743), (11, 2616408291), (21, 1370499581), (33, 872136097), (71, 405359031), (77, 373772613), (213, 135119677), (231, 124590871), (497, 57908433), (781, 36850821), (1491, 19302811), (2343, 12283607), (5467, 5264403), (16401, 1754801)]