156785853

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{4051}}^1$

素因数の和:4177

約数の個数: 32

約数和(自身を含む): 254141440

約数和(自身を除く): 97355587

約数列:

[1, 3, 7, 19, 21, 57, 97, 133, 291, 399, 679, 1843, 2037, 4051, 5529, 12153, 12901, 28357, 38703, 76969, 85071, 230907, 392947, 538783, 1178841, 1616349, 2750629, 7465993, 8251887, 22397979, 52261951, 156785853]

約数ペア:

[(1, 156785853), (3, 52261951), (7, 22397979), (19, 8251887), (21, 7465993), (57, 2750629), (97, 1616349), (133, 1178841), (291, 538783), (399, 392947), (679, 230907), (1843, 85071), (2037, 76969), (4051, 38703), (5529, 28357), (12153, 12901)]