13279275

素因数分解:

$3^3\times 5^2\times {\mathrm{103}}^1\times {\mathrm{191}}^1$

素因数の和:313

約数の個数: 48

約数和(自身を含む): 24760320

約数和(自身を除く): 11481045

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 103, 135, 191, 225, 309, 515, 573, 675, 927, 955, 1545, 1719, 2575, 2781, 2865, 4635, 4775, 5157, 7725, 8595, 13905, 14325, 19673, 23175, 25785, 42975, 59019, 69525, 98365, 128925, 177057, 295095, 491825, 531171, 885285, 1475475, 2655855, 4426425, 13279275]

約数ペア:

[(1, 13279275), (3, 4426425), (5, 2655855), (9, 1475475), (15, 885285), (25, 531171), (27, 491825), (45, 295095), (75, 177057), (103, 128925), (135, 98365), (191, 69525), (225, 59019), (309, 42975), (515, 25785), (573, 23175), (675, 19673), (927, 14325), (955, 13905), (1545, 8595), (1719, 7725), (2575, 5157), (2781, 4775), (2865, 4635)]