420142842

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{1111489}}^1$

素因数の和:1111507

約数の個数: 32

約数和(自身を含む): 1067030400

約数和(自身を除く): 646887558

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 1111489, 2222978, 3334467, 6668934, 7780423, 10003401, 15560846, 20006802, 23341269, 30010203, 46682538, 60020406, 70023807, 140047614, 210071421, 420142842]

約数ペア:

[(1, 420142842), (2, 210071421), (3, 140047614), (6, 70023807), (7, 60020406), (9, 46682538), (14, 30010203), (18, 23341269), (21, 20006802), (27, 15560846), (42, 10003401), (54, 7780423), (63, 6668934), (126, 3334467), (189, 2222978), (378, 1111489)]