47978775

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{349}}^1$

素因数の和:425

約数の個数: 72

約数和(自身を含む): 94785600

約数和(自身を除く): 46806825

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 47, 65, 75, 117, 141, 195, 225, 235, 325, 349, 423, 585, 611, 705, 975, 1047, 1175, 1745, 1833, 2115, 2925, 3055, 3141, 3525, 4537, 5235, 5499, 8725, 9165, 10575, 13611, 15275, 15705, 16403, 22685, 26175, 27495, 40833, 45825, 49209, 68055, 78525, 82015, 113425, 137475, 147627, 204165, 213239, 246045, 340275, 410075, 639717, 738135, 1020825, 1066195, 1230225, 1919151, 3198585, 3690675, 5330975, 9595755, 15992925, 47978775]

約数ペア:

[(1, 47978775), (3, 15992925), (5, 9595755), (9, 5330975), (13, 3690675), (15, 3198585), (25, 1919151), (39, 1230225), (45, 1066195), (47, 1020825), (65, 738135), (75, 639717), (117, 410075), (141, 340275), (195, 246045), (225, 213239), (235, 204165), (325, 147627), (349, 137475), (423, 113425), (585, 82015), (611, 78525), (705, 68055), (975, 49209), (1047, 45825), (1175, 40833), (1745, 27495), (1833, 26175), (2115, 22685), (2925, 16403), (3055, 15705), (3141, 15275), (3525, 13611), (4537, 10575), (5235, 9165), (5499, 8725)]