395321823

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{547}}^1$

素因数の和:669

約数の個数: 64

約数和(自身を含む): 662860800

約数和(自身を除く): 267538977

約数列:

[1, 3, 9, 13, 27, 29, 39, 71, 87, 117, 213, 261, 351, 377, 547, 639, 783, 923, 1131, 1641, 1917, 2059, 2769, 3393, 4923, 6177, 7111, 8307, 10179, 14769, 15863, 18531, 21333, 24921, 26767, 38837, 47589, 55593, 63999, 80301, 116511, 142767, 191997, 206219, 240903, 349533, 428301, 504881, 618657, 722709, 1048599, 1126273, 1514643, 1855971, 3378819, 4543929, 5567913, 10136457, 13631787, 14641549, 30409371, 43924647, 131773941, 395321823]

約数ペア:

[(1, 395321823), (3, 131773941), (9, 43924647), (13, 30409371), (27, 14641549), (29, 13631787), (39, 10136457), (71, 5567913), (87, 4543929), (117, 3378819), (213, 1855971), (261, 1514643), (351, 1126273), (377, 1048599), (547, 722709), (639, 618657), (783, 504881), (923, 428301), (1131, 349533), (1641, 240903), (1917, 206219), (2059, 191997), (2769, 142767), (3393, 116511), (4923, 80301), (6177, 63999), (7111, 55593), (8307, 47589), (10179, 38837), (14769, 26767), (15863, 24921), (18531, 21333)]