840546

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{953}}^1$

素因数の和:975

約数の個数: 36

約数和(自身を含む): 2120742

約数和(自身を除く): 1280196

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 441, 882, 953, 1906, 2859, 5718, 6671, 8577, 13342, 17154, 20013, 40026, 46697, 60039, 93394, 120078, 140091, 280182, 420273, 840546]

約数ペア:

[(1, 840546), (2, 420273), (3, 280182), (6, 140091), (7, 120078), (9, 93394), (14, 60039), (18, 46697), (21, 40026), (42, 20013), (49, 17154), (63, 13342), (98, 8577), (126, 6671), (147, 5718), (294, 2859), (441, 1906), (882, 953)]