156931593

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{631}}^1\times {\mathrm{911}}^1$

素因数の和:1565

約数の個数: 32

約数和(自身を含む): 258220032

約数和(自身を除く): 101288439

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 631, 911, 1893, 2733, 4417, 6377, 8203, 11843, 13251, 19131, 24609, 35529, 57421, 82901, 172263, 248703, 574841, 1724523, 4023887, 7472933, 12071661, 22418799, 52310531, 156931593]

約数ペア:

[(1, 156931593), (3, 52310531), (7, 22418799), (13, 12071661), (21, 7472933), (39, 4023887), (91, 1724523), (273, 574841), (631, 248703), (911, 172263), (1893, 82901), (2733, 57421), (4417, 35529), (6377, 24609), (8203, 19131), (11843, 13251)]