3171231

素因数分解:

$3^4\times 7^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1$

素因数の和:90

約数の個数: 60

約数和(自身を含む): 5959008

約数和(自身を除く): 2787777

約数列:

[1, 3, 7, 9, 17, 21, 27, 47, 49, 51, 63, 81, 119, 141, 147, 153, 189, 329, 357, 423, 441, 459, 567, 799, 833, 987, 1071, 1269, 1323, 1377, 2303, 2397, 2499, 2961, 3213, 3807, 3969, 5593, 6909, 7191, 7497, 8883, 9639, 16779, 20727, 21573, 22491, 26649, 39151, 50337, 62181, 64719, 67473, 117453, 151011, 186543, 352359, 453033, 1057077, 3171231]

約数ペア:

[(1, 3171231), (3, 1057077), (7, 453033), (9, 352359), (17, 186543), (21, 151011), (27, 117453), (47, 67473), (49, 64719), (51, 62181), (63, 50337), (81, 39151), (119, 26649), (141, 22491), (147, 21573), (153, 20727), (189, 16779), (329, 9639), (357, 8883), (423, 7497), (441, 7191), (459, 6909), (567, 5593), (799, 3969), (833, 3807), (987, 3213), (1071, 2961), (1269, 2499), (1323, 2397), (1377, 2303)]