2157357891

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{487}}^1\times {\mathrm{1171}}^1$

素因数の和:1771

約数の個数: 32

約数和(自身を含む): 3138784768

約数和(自身を除く): 981426877

約数列:

[1, 3, 13, 39, 97, 291, 487, 1171, 1261, 1461, 3513, 3783, 6331, 15223, 18993, 45669, 47239, 113587, 141717, 340761, 570277, 614107, 1476631, 1710831, 1842321, 4429893, 7413601, 22240803, 55316869, 165950607, 719119297, 2157357891]

約数ペア:

[(1, 2157357891), (3, 719119297), (13, 165950607), (39, 55316869), (97, 22240803), (291, 7413601), (487, 4429893), (1171, 1842321), (1261, 1710831), (1461, 1476631), (3513, 614107), (3783, 570277), (6331, 340761), (15223, 141717), (18993, 113587), (45669, 47239)]