990285183

素因数分解:

$3^4\times {\mathrm{137}}^1\times {\mathrm{233}}^1\times {\mathrm{383}}^1$

素因数の和:765

約数の個数: 40

約数和(自身を含む): 1500415488

約数和(自身を除く): 510130305

約数列:

[1, 3, 9, 27, 81, 137, 233, 383, 411, 699, 1149, 1233, 2097, 3447, 3699, 6291, 10341, 11097, 18873, 31023, 31921, 52471, 89239, 95763, 157413, 267717, 287289, 472239, 803151, 861867, 1416717, 2409453, 2585601, 4250151, 7228359, 12225743, 36677229, 110031687, 330095061, 990285183]

約数ペア:

[(1, 990285183), (3, 330095061), (9, 110031687), (27, 36677229), (81, 12225743), (137, 7228359), (233, 4250151), (383, 2585601), (411, 2409453), (699, 1416717), (1149, 861867), (1233, 803151), (2097, 472239), (3447, 287289), (3699, 267717), (6291, 157413), (10341, 95763), (11097, 89239), (18873, 52471), (31023, 31921)]