128605425

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7759}}^1$

素因数の和:7802

約数の個数: 48

約数和(自身を含む): 242484480

約数和(自身を除く): 113879055

約数列:

[1, 3, 5, 13, 15, 17, 25, 39, 51, 65, 75, 85, 195, 221, 255, 325, 425, 663, 975, 1105, 1275, 3315, 5525, 7759, 16575, 23277, 38795, 100867, 116385, 131903, 193975, 302601, 395709, 504335, 581925, 659515, 1513005, 1714739, 1978545, 2521675, 3297575, 5144217, 7565025, 8573695, 9892725, 25721085, 42868475, 128605425]

約数ペア:

[(1, 128605425), (3, 42868475), (5, 25721085), (13, 9892725), (15, 8573695), (17, 7565025), (25, 5144217), (39, 3297575), (51, 2521675), (65, 1978545), (75, 1714739), (85, 1513005), (195, 659515), (221, 581925), (255, 504335), (325, 395709), (425, 302601), (663, 193975), (975, 131903), (1105, 116385), (1275, 100867), (3315, 38795), (5525, 23277), (7759, 16575)]