28891533

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:174

約数の個数: 48

約数和(自身を含む): 45964800

約数和(自身を除く): 17073267

約数列:

[1, 3, 11, 19, 33, 57, 59, 71, 121, 177, 209, 213, 363, 627, 649, 781, 1121, 1349, 1947, 2299, 2343, 3363, 4047, 4189, 6897, 7139, 8591, 12331, 12567, 14839, 21417, 25773, 36993, 44517, 46079, 79591, 135641, 138237, 163229, 238773, 406923, 489687, 506869, 875501, 1520607, 2626503, 9630511, 28891533]

約数ペア:

[(1, 28891533), (3, 9630511), (11, 2626503), (19, 1520607), (33, 875501), (57, 506869), (59, 489687), (71, 406923), (121, 238773), (177, 163229), (209, 138237), (213, 135641), (363, 79591), (627, 46079), (649, 44517), (781, 36993), (1121, 25773), (1349, 21417), (1947, 14839), (2299, 12567), (2343, 12331), (3363, 8591), (4047, 7139), (4189, 6897)]