13018173

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:174

約数の個数: 48

約数和(自身を含む): 21888000

約数和(自身を除く): 8869827

約数列:

[1, 3, 7, 19, 21, 49, 57, 59, 79, 133, 147, 177, 237, 399, 413, 553, 931, 1121, 1239, 1501, 1659, 2793, 2891, 3363, 3871, 4503, 4661, 7847, 8673, 10507, 11613, 13983, 23541, 31521, 32627, 54929, 73549, 88559, 97881, 164787, 220647, 228389, 265677, 619913, 685167, 1859739, 4339391, 13018173]

約数ペア:

[(1, 13018173), (3, 4339391), (7, 1859739), (19, 685167), (21, 619913), (49, 265677), (57, 228389), (59, 220647), (79, 164787), (133, 97881), (147, 88559), (177, 73549), (237, 54929), (399, 32627), (413, 31521), (553, 23541), (931, 13983), (1121, 11613), (1239, 10507), (1501, 8673), (1659, 7847), (2793, 4661), (2891, 4503), (3363, 3871)]