27550089

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 47803392

約数和(自身を除く): 20253303

約数列:

[1, 3, 7, 9, 21, 37, 53, 63, 111, 159, 223, 259, 333, 371, 477, 669, 777, 1113, 1561, 1961, 2007, 2331, 3339, 4683, 5883, 8251, 11819, 13727, 14049, 17649, 24753, 35457, 41181, 57757, 74259, 82733, 106371, 123543, 173271, 248199, 437303, 519813, 744597, 1311909, 3061121, 3935727, 9183363, 27550089]

約数ペア:

[(1, 27550089), (3, 9183363), (7, 3935727), (9, 3061121), (21, 1311909), (37, 744597), (53, 519813), (63, 437303), (111, 248199), (159, 173271), (223, 123543), (259, 106371), (333, 82733), (371, 74259), (477, 57757), (669, 41181), (777, 35457), (1113, 24753), (1561, 17649), (1961, 14049), (2007, 13727), (2331, 11819), (3339, 8251), (4683, 5883)]