29965275

素因数分解:

$3^3\times 5^2\times {\mathrm{103}}^1\times {\mathrm{431}}^1$

素因数の和:553

約数の個数: 48

約数和(自身を含む): 55710720

約数和(自身を除く): 25745445

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 103, 135, 225, 309, 431, 515, 675, 927, 1293, 1545, 2155, 2575, 2781, 3879, 4635, 6465, 7725, 10775, 11637, 13905, 19395, 23175, 32325, 44393, 58185, 69525, 96975, 133179, 221965, 290925, 399537, 665895, 1109825, 1198611, 1997685, 3329475, 5993055, 9988425, 29965275]

約数ペア:

[(1, 29965275), (3, 9988425), (5, 5993055), (9, 3329475), (15, 1997685), (25, 1198611), (27, 1109825), (45, 665895), (75, 399537), (103, 290925), (135, 221965), (225, 133179), (309, 96975), (431, 69525), (515, 58185), (675, 44393), (927, 32325), (1293, 23175), (1545, 19395), (2155, 13905), (2575, 11637), (2781, 10775), (3879, 7725), (4635, 6465)]