1691001

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:265

約数の個数: 24

約数和(自身を含む): 2675400

約数和(自身を除く): 984399

約数列:

[1, 3, 9, 13, 39, 97, 117, 149, 291, 447, 873, 1261, 1341, 1937, 3783, 5811, 11349, 14453, 17433, 43359, 130077, 187889, 563667, 1691001]

約数ペア:

[(1, 1691001), (3, 563667), (9, 187889), (13, 130077), (39, 43359), (97, 17433), (117, 14453), (149, 11349), (291, 5811), (447, 3783), (873, 1937), (1261, 1341)]