205694013

素因数分解:

$3^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:227

約数の個数: 64

約数和(自身を含む): 339264000

約数和(自身を除く): 133569987

約数列:

[1, 3, 7, 21, 29, 49, 61, 87, 113, 147, 183, 203, 339, 343, 427, 609, 791, 1029, 1281, 1421, 1769, 2373, 2989, 3277, 4263, 5307, 5537, 6893, 8967, 9831, 9947, 12383, 16611, 20679, 20923, 22939, 29841, 37149, 38759, 48251, 62769, 68817, 86681, 116277, 144753, 160573, 199897, 260043, 337757, 481719, 599691, 606767, 1013271, 1124011, 1399279, 1820301, 2364299, 3372033, 4197837, 7092897, 9794953, 29384859, 68564671, 205694013]

約数ペア:

[(1, 205694013), (3, 68564671), (7, 29384859), (21, 9794953), (29, 7092897), (49, 4197837), (61, 3372033), (87, 2364299), (113, 1820301), (147, 1399279), (183, 1124011), (203, 1013271), (339, 606767), (343, 599691), (427, 481719), (609, 337757), (791, 260043), (1029, 199897), (1281, 160573), (1421, 144753), (1769, 116277), (2373, 86681), (2989, 68817), (3277, 62769), (4263, 48251), (5307, 38759), (5537, 37149), (6893, 29841), (8967, 22939), (9831, 20923), (9947, 20679), (12383, 16611)]