1288539

素因数分解:

$3^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1$

素因数の和:307

約数の個数: 24

約数和(自身を含む): 2157792

約数和(自身を除く): 869253

約数列:

[1, 3, 7, 9, 21, 63, 113, 181, 339, 543, 791, 1017, 1267, 1629, 2373, 3801, 7119, 11403, 20453, 61359, 143171, 184077, 429513, 1288539]

約数ペア:

[(1, 1288539), (3, 429513), (7, 184077), (9, 143171), (21, 61359), (63, 20453), (113, 11403), (181, 7119), (339, 3801), (543, 2373), (791, 1629), (1017, 1267)]