219729699

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1423}}^1$

素因数の和:1501

約数の個数: 64

約数和(自身を含む): 400998400

約数和(自身を除く): 181268701

約数列:

[1, 3, 7, 9, 19, 21, 27, 43, 57, 63, 129, 133, 171, 189, 301, 387, 399, 513, 817, 903, 1161, 1197, 1423, 2451, 2709, 3591, 4269, 5719, 7353, 8127, 9961, 12807, 17157, 22059, 27037, 29883, 38421, 51471, 61189, 81111, 89649, 154413, 183567, 189259, 243333, 268947, 428323, 550701, 567777, 729999, 1162591, 1284969, 1652103, 1703331, 3487773, 3854907, 5109993, 8138137, 10463319, 11564721, 24414411, 31389957, 73243233, 219729699]

約数ペア:

[(1, 219729699), (3, 73243233), (7, 31389957), (9, 24414411), (19, 11564721), (21, 10463319), (27, 8138137), (43, 5109993), (57, 3854907), (63, 3487773), (129, 1703331), (133, 1652103), (171, 1284969), (189, 1162591), (301, 729999), (387, 567777), (399, 550701), (513, 428323), (817, 268947), (903, 243333), (1161, 189259), (1197, 183567), (1423, 154413), (2451, 89649), (2709, 81111), (3591, 61189), (4269, 51471), (5719, 38421), (7353, 29883), (8127, 27037), (9961, 22059), (12807, 17157)]