28185477

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:253

約数の個数: 32

約数和(自身を含む): 40711680

約数和(自身を除く): 12526203

約数列:

[1, 3, 29, 47, 61, 87, 113, 141, 183, 339, 1363, 1769, 2867, 3277, 4089, 5307, 5311, 6893, 8601, 9831, 15933, 20679, 83143, 154019, 199897, 249429, 323971, 462057, 599691, 971913, 9395159, 28185477]

約数ペア:

[(1, 28185477), (3, 9395159), (29, 971913), (47, 599691), (61, 462057), (87, 323971), (113, 249429), (141, 199897), (183, 154019), (339, 83143), (1363, 20679), (1769, 15933), (2867, 9831), (3277, 8601), (4089, 6893), (5307, 5311)]