1320543

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1$

素因数の和:173

約数の個数: 40

約数和(自身を含む): 2404512

約数和(自身を除く): 1083969

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 81, 119, 137, 153, 189, 357, 411, 459, 567, 959, 1071, 1233, 1377, 2329, 2877, 3213, 3699, 6987, 8631, 9639, 11097, 16303, 20961, 25893, 48909, 62883, 77679, 146727, 188649, 440181, 1320543]

約数ペア:

[(1, 1320543), (3, 440181), (7, 188649), (9, 146727), (17, 77679), (21, 62883), (27, 48909), (51, 25893), (63, 20961), (81, 16303), (119, 11097), (137, 9639), (153, 8631), (189, 6987), (357, 3699), (411, 3213), (459, 2877), (567, 2329), (959, 1377), (1071, 1233)]