1645371

素因数分解:

$3^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1$

素因数の和:81

約数の個数: 48

約数和(自身を含む): 3057600

約数和(自身を除く): 1412229

約数列:

[1, 3, 7, 9, 13, 21, 39, 41, 49, 63, 91, 117, 123, 147, 273, 287, 343, 369, 441, 533, 637, 819, 861, 1029, 1599, 1911, 2009, 2583, 3087, 3731, 4459, 4797, 5733, 6027, 11193, 13377, 14063, 18081, 26117, 33579, 40131, 42189, 78351, 126567, 182819, 235053, 548457, 1645371]

約数ペア:

[(1, 1645371), (3, 548457), (7, 235053), (9, 182819), (13, 126567), (21, 78351), (39, 42189), (41, 40131), (49, 33579), (63, 26117), (91, 18081), (117, 14063), (123, 13377), (147, 11193), (273, 6027), (287, 5733), (343, 4797), (369, 4459), (441, 3731), (533, 3087), (637, 2583), (819, 2009), (861, 1911), (1029, 1599)]