420966

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1$

素因数の和:285

約数の個数: 48

約数和(自身を含む): 1126944

約数和(自身を除く): 705978

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 257, 273, 514, 546, 771, 819, 1542, 1638, 1799, 2313, 3341, 3598, 4626, 5397, 6682, 10023, 10794, 16191, 20046, 23387, 30069, 32382, 46774, 60138, 70161, 140322, 210483, 420966]

約数ペア:

[(1, 420966), (2, 210483), (3, 140322), (6, 70161), (7, 60138), (9, 46774), (13, 32382), (14, 30069), (18, 23387), (21, 20046), (26, 16191), (39, 10794), (42, 10023), (63, 6682), (78, 5397), (91, 4626), (117, 3598), (126, 3341), (182, 2313), (234, 1799), (257, 1638), (273, 1542), (514, 819), (546, 771)]