28106325

素因数分解:

$3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{3203}}^1$

素因数の和:3235

約数の個数: 48

約数和(自身を含む): 55621440

約数和(自身を除く): 27515115

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, 3203, 8775, 9609, 16015, 28827, 41639, 48045, 80075, 86481, 124917, 144135, 208195, 240225, 374751, 432405, 624585, 720675, 1040975, 1124253, 1873755, 2162025, 3122925, 5621265, 9368775, 28106325]

約数ペア:

[(1, 28106325), (3, 9368775), (5, 5621265), (9, 3122925), (13, 2162025), (15, 1873755), (25, 1124253), (27, 1040975), (39, 720675), (45, 624585), (65, 432405), (75, 374751), (117, 240225), (135, 208195), (195, 144135), (225, 124917), (325, 86481), (351, 80075), (585, 48045), (675, 41639), (975, 28827), (1755, 16015), (2925, 9609), (3203, 8775)]