31117383

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 52565760

約数和(自身を除く): 21448377

約数列:

[1, 3, 9, 11, 19, 33, 57, 71, 99, 171, 209, 213, 233, 627, 639, 699, 781, 1349, 1881, 2097, 2343, 2563, 4047, 4427, 7029, 7689, 12141, 13281, 14839, 16543, 23067, 39843, 44517, 48697, 49629, 133551, 146091, 148887, 181973, 314317, 438273, 545919, 942951, 1637757, 2828853, 3457487, 10372461, 31117383]

約数ペア:

[(1, 31117383), (3, 10372461), (9, 3457487), (11, 2828853), (19, 1637757), (33, 942951), (57, 545919), (71, 438273), (99, 314317), (171, 181973), (209, 148887), (213, 146091), (233, 133551), (627, 49629), (639, 48697), (699, 44517), (781, 39843), (1349, 23067), (1881, 16543), (2097, 14839), (2343, 13281), (2563, 12141), (4047, 7689), (4427, 7029)]