28381185

素因数分解:

$3^5\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:145

約数の個数: 96

約数和(自身を含む): 60383232

約数和(自身を除く): 32002047

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 47, 63, 71, 81, 105, 135, 141, 189, 213, 235, 243, 315, 329, 355, 405, 423, 497, 567, 639, 705, 945, 987, 1065, 1215, 1269, 1491, 1645, 1701, 1917, 2115, 2485, 2835, 2961, 3195, 3337, 3807, 4473, 4935, 5751, 6345, 7455, 8505, 8883, 9585, 10011, 11421, 13419, 14805, 16685, 17253, 19035, 22365, 23359, 26649, 28755, 30033, 40257, 44415, 50055, 57105, 67095, 70077, 79947, 86265, 90099, 116795, 120771, 133245, 150165, 201285, 210231, 270297, 350385, 399735, 450495, 603855, 630693, 810891, 1051155, 1351485, 1892079, 3153465, 4054455, 5676237, 9460395, 28381185]

約数ペア:

[(1, 28381185), (3, 9460395), (5, 5676237), (7, 4054455), (9, 3153465), (15, 1892079), (21, 1351485), (27, 1051155), (35, 810891), (45, 630693), (47, 603855), (63, 450495), (71, 399735), (81, 350385), (105, 270297), (135, 210231), (141, 201285), (189, 150165), (213, 133245), (235, 120771), (243, 116795), (315, 90099), (329, 86265), (355, 79947), (405, 70077), (423, 67095), (497, 57105), (567, 50055), (639, 44415), (705, 40257), (945, 30033), (987, 28755), (1065, 26649), (1215, 23359), (1269, 22365), (1491, 19035), (1645, 17253), (1701, 16685), (1917, 14805), (2115, 13419), (2485, 11421), (2835, 10011), (2961, 9585), (3195, 8883), (3337, 8505), (3807, 7455), (4473, 6345), (4935, 5751)]