28222155

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1237}}^1$

素因数の和:1277

約数の個数: 48

約数和(自身を含む): 54372960

約数和(自身を除く): 26150805

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 169, 195, 351, 507, 585, 845, 1237, 1521, 1755, 2535, 3711, 4563, 6185, 7605, 11133, 16081, 18555, 22815, 33399, 48243, 55665, 80405, 144729, 166995, 209053, 241215, 434187, 627159, 723645, 1045265, 1881477, 2170935, 3135795, 5644431, 9407385, 28222155]

約数ペア:

[(1, 28222155), (3, 9407385), (5, 5644431), (9, 3135795), (13, 2170935), (15, 1881477), (27, 1045265), (39, 723645), (45, 627159), (65, 434187), (117, 241215), (135, 209053), (169, 166995), (195, 144729), (351, 80405), (507, 55665), (585, 48243), (845, 33399), (1237, 22815), (1521, 18555), (1755, 16081), (2535, 11133), (3711, 7605), (4563, 6185)]