20171235357

素因数分解:

$3^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{304063}}^1$

素因数の和:304101

約数の個数: 56

約数和(自身を含む): 37222298624

約数和(自身を除く): 17051063267

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 243, 273, 351, 567, 729, 819, 1053, 1701, 2457, 3159, 5103, 7371, 9477, 22113, 66339, 304063, 912189, 2128441, 2736567, 3952819, 6385323, 8209701, 11858457, 19155969, 24629103, 27669733, 35575371, 57467907, 73887309, 83009199, 106726113, 172403721, 221661927, 249027597, 320178339, 517211163, 747082791, 960535017, 1551633489, 2241248373, 2881605051, 6723745119, 20171235357]

約数ペア:

[(1, 20171235357), (3, 6723745119), (7, 2881605051), (9, 2241248373), (13, 1551633489), (21, 960535017), (27, 747082791), (39, 517211163), (63, 320178339), (81, 249027597), (91, 221661927), (117, 172403721), (189, 106726113), (243, 83009199), (273, 73887309), (351, 57467907), (567, 35575371), (729, 27669733), (819, 24629103), (1053, 19155969), (1701, 11858457), (2457, 8209701), (3159, 6385323), (5103, 3952819), (7371, 2736567), (9477, 2128441), (22113, 912189), (66339, 304063)]