81188877

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{557}}^1\times {\mathrm{631}}^1$

素因数の和:1209

約数の個数: 32

約数和(自身を含む): 135419904

約数和(自身を除く): 54231027

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 557, 631, 1671, 1893, 3899, 4417, 6127, 6941, 11697, 13251, 18381, 20823, 42889, 48587, 128667, 145761, 351467, 1054401, 2460269, 3866137, 7380807, 11598411, 27062959, 81188877]

約数ペア:

[(1, 81188877), (3, 27062959), (7, 11598411), (11, 7380807), (21, 3866137), (33, 2460269), (77, 1054401), (231, 351467), (557, 145761), (631, 128667), (1671, 48587), (1893, 42889), (3899, 20823), (4417, 18381), (6127, 13251), (6941, 11697)]