211282155

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:206

約数の個数: 128

約数和(自身を含む): 451215360

約数和(自身を除く): 239933205

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 47, 63, 67, 71, 105, 135, 141, 189, 201, 213, 235, 315, 329, 335, 355, 423, 469, 497, 603, 639, 705, 945, 987, 1005, 1065, 1269, 1407, 1491, 1645, 1809, 1917, 2115, 2345, 2485, 2961, 3015, 3149, 3195, 3337, 4221, 4473, 4757, 4935, 6345, 7035, 7455, 8883, 9045, 9447, 9585, 10011, 12663, 13419, 14271, 14805, 15745, 16685, 21105, 22043, 22365, 23359, 23785, 28341, 30033, 33299, 42813, 44415, 47235, 50055, 63315, 66129, 67095, 70077, 71355, 85023, 90099, 99897, 110215, 116795, 128439, 141705, 150165, 166495, 198387, 210231, 214065, 223579, 299691, 330645, 350385, 425115, 450495, 499485, 595161, 630693, 642195, 670737, 899073, 991935, 1051155, 1117895, 1498455, 1565053, 2012211, 2975805, 3153465, 3353685, 4495365, 4695159, 6036633, 7825265, 10061055, 14085477, 23475795, 30183165, 42256431, 70427385, 211282155]

約数ペア:

[(1, 211282155), (3, 70427385), (5, 42256431), (7, 30183165), (9, 23475795), (15, 14085477), (21, 10061055), (27, 7825265), (35, 6036633), (45, 4695159), (47, 4495365), (63, 3353685), (67, 3153465), (71, 2975805), (105, 2012211), (135, 1565053), (141, 1498455), (189, 1117895), (201, 1051155), (213, 991935), (235, 899073), (315, 670737), (329, 642195), (335, 630693), (355, 595161), (423, 499485), (469, 450495), (497, 425115), (603, 350385), (639, 330645), (705, 299691), (945, 223579), (987, 214065), (1005, 210231), (1065, 198387), (1269, 166495), (1407, 150165), (1491, 141705), (1645, 128439), (1809, 116795), (1917, 110215), (2115, 99897), (2345, 90099), (2485, 85023), (2961, 71355), (3015, 70077), (3149, 67095), (3195, 66129), (3337, 63315), (4221, 50055), (4473, 47235), (4757, 44415), (4935, 42813), (6345, 33299), (7035, 30033), (7455, 28341), (8883, 23785), (9045, 23359), (9447, 22365), (9585, 22043), (10011, 21105), (12663, 16685), (13419, 15745), (14271, 14805)]