31904145

素因数分解:

$3^3\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1$

素因数の和:101

約数の個数: 128

約数和(自身を含む): 72576000

約数和(自身を除く): 40671855

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 27, 35, 39, 45, 49, 53, 63, 65, 91, 105, 117, 135, 147, 159, 189, 195, 245, 265, 273, 315, 343, 351, 371, 441, 455, 477, 585, 637, 689, 735, 795, 819, 945, 1029, 1113, 1323, 1365, 1431, 1715, 1755, 1855, 1911, 2067, 2205, 2385, 2457, 2597, 3087, 3185, 3339, 3445, 4095, 4459, 4823, 5145, 5565, 5733, 6201, 6615, 7155, 7791, 9261, 9555, 10017, 10335, 12285, 12985, 13377, 14469, 15435, 16695, 17199, 18179, 18603, 22295, 23373, 24115, 28665, 31005, 33761, 38955, 40131, 43407, 46305, 50085, 54537, 66885, 70119, 72345, 85995, 90895, 93015, 101283, 116865, 120393, 130221, 163611, 168805, 200655, 217035, 236327, 272685, 303849, 350595, 490833, 506415, 601965, 651105, 708981, 818055, 911547, 1181635, 1519245, 2126943, 2454165, 3544905, 4557735, 6380829, 10634715, 31904145]

約数ペア:

[(1, 31904145), (3, 10634715), (5, 6380829), (7, 4557735), (9, 3544905), (13, 2454165), (15, 2126943), (21, 1519245), (27, 1181635), (35, 911547), (39, 818055), (45, 708981), (49, 651105), (53, 601965), (63, 506415), (65, 490833), (91, 350595), (105, 303849), (117, 272685), (135, 236327), (147, 217035), (159, 200655), (189, 168805), (195, 163611), (245, 130221), (265, 120393), (273, 116865), (315, 101283), (343, 93015), (351, 90895), (371, 85995), (441, 72345), (455, 70119), (477, 66885), (585, 54537), (637, 50085), (689, 46305), (735, 43407), (795, 40131), (819, 38955), (945, 33761), (1029, 31005), (1113, 28665), (1323, 24115), (1365, 23373), (1431, 22295), (1715, 18603), (1755, 18179), (1855, 17199), (1911, 16695), (2067, 15435), (2205, 14469), (2385, 13377), (2457, 12985), (2597, 12285), (3087, 10335), (3185, 10017), (3339, 9555), (3445, 9261), (4095, 7791), (4459, 7155), (4823, 6615), (5145, 6201), (5565, 5733)]