28158975

素因数分解:

$3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{3209}}^1$

素因数の和:3241

約数の個数: 48

約数和(自身を含む): 55725600

約数和(自身を除く): 27566625

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 117, 135, 195, 225, 325, 351, 585, 675, 975, 1755, 2925, 3209, 8775, 9627, 16045, 28881, 41717, 48135, 80225, 86643, 125151, 144405, 208585, 240675, 375453, 433215, 625755, 722025, 1042925, 1126359, 1877265, 2166075, 3128775, 5631795, 9386325, 28158975]

約数ペア:

[(1, 28158975), (3, 9386325), (5, 5631795), (9, 3128775), (13, 2166075), (15, 1877265), (25, 1126359), (27, 1042925), (39, 722025), (45, 625755), (65, 433215), (75, 375453), (117, 240675), (135, 208585), (195, 144405), (225, 125151), (325, 86643), (351, 80225), (585, 48135), (675, 41717), (975, 28881), (1755, 16045), (2925, 9627), (3209, 8775)]