18010863

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{97}}^1$

素因数の和:165

約数の個数: 48

約数和(自身を含む): 30348640

約数和(自身を除く): 12337777

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 97, 117, 207, 291, 299, 351, 529, 621, 873, 897, 1261, 1587, 2231, 2619, 2691, 3783, 4761, 6693, 6877, 8073, 11349, 14283, 20079, 20631, 29003, 34047, 51313, 60237, 61893, 87009, 153939, 185679, 261027, 461817, 667069, 783081, 1385451, 2001207, 6003621, 18010863]

約数ペア:

[(1, 18010863), (3, 6003621), (9, 2001207), (13, 1385451), (23, 783081), (27, 667069), (39, 461817), (69, 261027), (97, 185679), (117, 153939), (207, 87009), (291, 61893), (299, 60237), (351, 51313), (529, 34047), (621, 29003), (873, 20631), (897, 20079), (1261, 14283), (1587, 11349), (2231, 8073), (2619, 6877), (2691, 6693), (3783, 4761)]