81151119

素因数分解:

$3^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{3089}}^1$

素因数の和:3244

約数の個数: 32

約数和(自身を含む): 138432000

約数和(自身を除く): 57280881

約数列:

[1, 3, 7, 9, 21, 27, 63, 139, 189, 417, 973, 1251, 2919, 3089, 3753, 8757, 9267, 21623, 26271, 27801, 64869, 83403, 194607, 429371, 583821, 1288113, 3005597, 3864339, 9016791, 11593017, 27050373, 81151119]

約数ペア:

[(1, 81151119), (3, 27050373), (7, 11593017), (9, 9016791), (21, 3864339), (27, 3005597), (63, 1288113), (139, 583821), (189, 429371), (417, 194607), (973, 83403), (1251, 64869), (2919, 27801), (3089, 26271), (3753, 21623), (8757, 9267)]