420714

素因数分解:

$2^1\times 3^4\times 7^2\times {\mathrm{53}}^1$

素因数の和:81

約数の個数: 60

約数和(自身を含む): 1117314

約数和(自身を除く): 696600

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 53, 54, 63, 81, 98, 106, 126, 147, 159, 162, 189, 294, 318, 371, 378, 441, 477, 567, 742, 882, 954, 1113, 1134, 1323, 1431, 2226, 2597, 2646, 2862, 3339, 3969, 4293, 5194, 6678, 7791, 7938, 8586, 10017, 15582, 20034, 23373, 30051, 46746, 60102, 70119, 140238, 210357, 420714]

約数ペア:

[(1, 420714), (2, 210357), (3, 140238), (6, 70119), (7, 60102), (9, 46746), (14, 30051), (18, 23373), (21, 20034), (27, 15582), (42, 10017), (49, 8586), (53, 7938), (54, 7791), (63, 6678), (81, 5194), (98, 4293), (106, 3969), (126, 3339), (147, 2862), (159, 2646), (162, 2597), (189, 2226), (294, 1431), (318, 1323), (371, 1134), (378, 1113), (441, 954), (477, 882), (567, 742)]