1905561

素因数分解:

$3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:198

約数の個数: 36

約数和(自身を含む): 3334500

約数和(自身を除く): 1428939

約数列:

[1, 3, 7, 9, 21, 29, 49, 63, 87, 147, 149, 203, 261, 441, 447, 609, 1043, 1341, 1421, 1827, 3129, 4263, 4321, 7301, 9387, 12789, 12963, 21903, 30247, 38889, 65709, 90741, 211729, 272223, 635187, 1905561]

約数ペア:

[(1, 1905561), (3, 635187), (7, 272223), (9, 211729), (21, 90741), (29, 65709), (49, 38889), (63, 30247), (87, 21903), (147, 12963), (149, 12789), (203, 9387), (261, 7301), (441, 4321), (447, 4263), (609, 3129), (1043, 1827), (1341, 1421)]