17958699

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{239}}^1$

素因数の和:293

約数の個数: 48

約数和(自身を含む): 30643200

約数和(自身を除く): 12684501

約数列:

[1, 3, 9, 11, 23, 27, 33, 69, 99, 121, 207, 239, 253, 297, 363, 621, 717, 759, 1089, 2151, 2277, 2629, 2783, 3267, 5497, 6453, 6831, 7887, 8349, 16491, 23661, 25047, 28919, 49473, 60467, 70983, 75141, 86757, 148419, 181401, 260271, 544203, 665137, 780813, 1632609, 1995411, 5986233, 17958699]

約数ペア:

[(1, 17958699), (3, 5986233), (9, 1995411), (11, 1632609), (23, 780813), (27, 665137), (33, 544203), (69, 260271), (99, 181401), (121, 148419), (207, 86757), (239, 75141), (253, 70983), (297, 60467), (363, 49473), (621, 28919), (717, 25047), (759, 23661), (1089, 16491), (2151, 8349), (2277, 7887), (2629, 6831), (2783, 6453), (3267, 5497)]