19730817

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{223}}^1$

素因数の和:374

約数の個数: 32

約数和(自身を含む): 30643200

約数和(自身を除く): 10912383

約数列:

[1, 3, 9, 27, 29, 87, 113, 223, 261, 339, 669, 783, 1017, 2007, 3051, 3277, 6021, 6467, 9831, 19401, 25199, 29493, 58203, 75597, 88479, 174609, 226791, 680373, 730771, 2192313, 6576939, 19730817]

約数ペア:

[(1, 19730817), (3, 6576939), (9, 2192313), (27, 730771), (29, 680373), (87, 226791), (113, 174609), (223, 88479), (261, 75597), (339, 58203), (669, 29493), (783, 25199), (1017, 19401), (2007, 9831), (3051, 6467), (3277, 6021)]