31694715

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3187}}^1$

素因数の和:3228

約数の個数: 48

約数和(自身を含む): 62663328

約数和(自身を除く): 30968613

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 153, 195, 221, 255, 585, 663, 765, 1105, 1989, 3187, 3315, 9561, 9945, 15935, 28683, 41431, 47805, 54179, 124293, 143415, 162537, 207155, 270895, 372879, 487611, 621465, 704327, 812685, 1864395, 2112981, 2438055, 3521635, 6338943, 10564905, 31694715]

約数ペア:

[(1, 31694715), (3, 10564905), (5, 6338943), (9, 3521635), (13, 2438055), (15, 2112981), (17, 1864395), (39, 812685), (45, 704327), (51, 621465), (65, 487611), (85, 372879), (117, 270895), (153, 207155), (195, 162537), (221, 143415), (255, 124293), (585, 54179), (663, 47805), (765, 41431), (1105, 28683), (1989, 15935), (3187, 9945), (3315, 9561)]