268698717

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{2411}}^1$

素因数の和:2514

約数の個数: 48

約数和(自身を含む): 466577280

約数和(自身を除く): 197878563

約数列:

[1, 3, 7, 9, 21, 29, 61, 63, 87, 183, 203, 261, 427, 549, 609, 1281, 1769, 1827, 2411, 3843, 5307, 7233, 12383, 15921, 16877, 21699, 37149, 50631, 69919, 111447, 147071, 151893, 209757, 441213, 489433, 629271, 1029497, 1323639, 1468299, 3088491, 4265059, 4404897, 9265473, 12795177, 29855413, 38385531, 89566239, 268698717]

約数ペア:

[(1, 268698717), (3, 89566239), (7, 38385531), (9, 29855413), (21, 12795177), (29, 9265473), (61, 4404897), (63, 4265059), (87, 3088491), (183, 1468299), (203, 1323639), (261, 1029497), (427, 629271), (549, 489433), (609, 441213), (1281, 209757), (1769, 151893), (1827, 147071), (2411, 111447), (3843, 69919), (5307, 50631), (7233, 37149), (12383, 21699), (15921, 16877)]