28286415

素因数分解:

$3^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{751}}^1$

素因数の和:802

約数の個数: 48

約数和(自身を含む): 52555776

約数和(自身を除く): 24269361

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 81, 93, 135, 155, 243, 279, 405, 465, 751, 837, 1215, 1395, 2253, 2511, 3755, 4185, 6759, 7533, 11265, 12555, 20277, 23281, 33795, 37665, 60831, 69843, 101385, 116405, 182493, 209529, 304155, 349215, 628587, 912465, 1047645, 1885761, 3142935, 5657283, 9428805, 28286415]

約数ペア:

[(1, 28286415), (3, 9428805), (5, 5657283), (9, 3142935), (15, 1885761), (27, 1047645), (31, 912465), (45, 628587), (81, 349215), (93, 304155), (135, 209529), (155, 182493), (243, 116405), (279, 101385), (405, 69843), (465, 60831), (751, 37665), (837, 33795), (1215, 23281), (1395, 20277), (2253, 12555), (2511, 11265), (3755, 7533), (4185, 6759)]