16211325

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{1279}}^1$

素因数の和:1318

約数の個数: 36

約数和(自身を含む): 29045760

約数和(自身を除く): 12834435

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 169, 195, 325, 507, 845, 975, 1279, 2535, 3837, 4225, 6395, 12675, 16627, 19185, 31975, 49881, 83135, 95925, 216151, 249405, 415675, 648453, 1080755, 1247025, 3242265, 5403775, 16211325]

約数ペア:

[(1, 16211325), (3, 5403775), (5, 3242265), (13, 1247025), (15, 1080755), (25, 648453), (39, 415675), (65, 249405), (75, 216151), (169, 95925), (195, 83135), (325, 49881), (507, 31975), (845, 19185), (975, 16627), (1279, 12675), (2535, 6395), (3837, 4225)]