81695229

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{1409}}^1$

素因数の和:1681

約数の個数: 32

約数和(自身を含む): 136442880

約数和(自身を除く): 54747651

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 251, 753, 1409, 1757, 2761, 4227, 5271, 8283, 9863, 15499, 19327, 29589, 46497, 57981, 108493, 325479, 353659, 1060977, 2475613, 3890249, 7426839, 11670747, 27231743, 81695229]

約数ペア:

[(1, 81695229), (3, 27231743), (7, 11670747), (11, 7426839), (21, 3890249), (33, 2475613), (77, 1060977), (231, 353659), (251, 325479), (753, 108493), (1409, 57981), (1757, 46497), (2761, 29589), (4227, 19327), (5271, 15499), (8283, 9863)]