16762221

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:120

約数の個数: 80

約数和(自身を含む): 31781376

約数和(自身を除く): 15019155

約数列:

[1, 3, 7, 9, 17, 21, 27, 37, 47, 51, 63, 81, 111, 119, 141, 153, 189, 259, 329, 333, 357, 423, 459, 567, 629, 777, 799, 987, 999, 1071, 1269, 1377, 1739, 1887, 2331, 2397, 2961, 2997, 3213, 3807, 4403, 5217, 5593, 5661, 6993, 7191, 8883, 9639, 12173, 13209, 15651, 16779, 16983, 20979, 21573, 26649, 29563, 36519, 39627, 46953, 50337, 50949, 64719, 88689, 109557, 118881, 140859, 151011, 206941, 266067, 328671, 356643, 453033, 620823, 798201, 986013, 1862469, 2394603, 5587407, 16762221]

約数ペア:

[(1, 16762221), (3, 5587407), (7, 2394603), (9, 1862469), (17, 986013), (21, 798201), (27, 620823), (37, 453033), (47, 356643), (51, 328671), (63, 266067), (81, 206941), (111, 151011), (119, 140859), (141, 118881), (153, 109557), (189, 88689), (259, 64719), (329, 50949), (333, 50337), (357, 46953), (423, 39627), (459, 36519), (567, 29563), (629, 26649), (777, 21573), (799, 20979), (987, 16983), (999, 16779), (1071, 15651), (1269, 13209), (1377, 12173), (1739, 9639), (1887, 8883), (2331, 7191), (2397, 6993), (2961, 5661), (2997, 5593), (3213, 5217), (3807, 4403)]