18600813

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1$

素因数の和:439

約数の個数: 64

約数和(自身を含む): 35942400

約数和(自身を除く): 17341587

約数列:

[1, 3, 7, 9, 11, 21, 23, 27, 33, 63, 69, 77, 99, 161, 189, 207, 231, 253, 297, 389, 483, 621, 693, 759, 1167, 1449, 1771, 2079, 2277, 2723, 3501, 4279, 4347, 5313, 6831, 8169, 8947, 10503, 12837, 15939, 24507, 26841, 29953, 38511, 47817, 62629, 73521, 80523, 89859, 98417, 115533, 187887, 241569, 269577, 295251, 563661, 688919, 808731, 885753, 1690983, 2066757, 2657259, 6200271, 18600813]

約数ペア:

[(1, 18600813), (3, 6200271), (7, 2657259), (9, 2066757), (11, 1690983), (21, 885753), (23, 808731), (27, 688919), (33, 563661), (63, 295251), (69, 269577), (77, 241569), (99, 187887), (161, 115533), (189, 98417), (207, 89859), (231, 80523), (253, 73521), (297, 62629), (389, 47817), (483, 38511), (621, 29953), (693, 26841), (759, 24507), (1167, 15939), (1449, 12837), (1771, 10503), (2079, 8947), (2277, 8169), (2723, 6831), (3501, 5313), (4279, 4347)]