27281475

素因数分解:

$3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{3109}}^1$

素因数の和:3141

約数の個数: 48

約数和(自身を含む): 53989600

約数和(自身を除く): 26708125

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, 3109, 8775, 9327, 15545, 27981, 40417, 46635, 77725, 83943, 121251, 139905, 202085, 233175, 363753, 419715, 606255, 699525, 1010425, 1091259, 1818765, 2098575, 3031275, 5456295, 9093825, 27281475]

約数ペア:

[(1, 27281475), (3, 9093825), (5, 5456295), (9, 3031275), (13, 2098575), (15, 1818765), (25, 1091259), (27, 1010425), (39, 699525), (45, 606255), (65, 419715), (75, 363753), (117, 233175), (135, 202085), (195, 139905), (225, 121251), (325, 83943), (351, 77725), (585, 46635), (675, 40417), (975, 27981), (1755, 15545), (2925, 9327), (3109, 8775)]