71231475

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:269

約数の個数: 96

約数和(自身を含む): 146260480

約数和(自身を除く): 75029005

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 37, 57, 75, 95, 105, 111, 133, 175, 185, 193, 259, 285, 399, 475, 525, 555, 579, 665, 703, 777, 925, 965, 1295, 1351, 1425, 1995, 2109, 2775, 2895, 3325, 3515, 3667, 3885, 4053, 4825, 4921, 6475, 6755, 7141, 9975, 10545, 11001, 14475, 14763, 17575, 18335, 19425, 20265, 21423, 24605, 25669, 33775, 35705, 49987, 52725, 55005, 73815, 77007, 91675, 101325, 107115, 123025, 128345, 135679, 149961, 178525, 249935, 275025, 369075, 385035, 407037, 535575, 641725, 678395, 749805, 949753, 1249675, 1925175, 2035185, 2849259, 3391975, 3749025, 4748765, 10175925, 14246295, 23743825, 71231475]

約数ペア:

[(1, 71231475), (3, 23743825), (5, 14246295), (7, 10175925), (15, 4748765), (19, 3749025), (21, 3391975), (25, 2849259), (35, 2035185), (37, 1925175), (57, 1249675), (75, 949753), (95, 749805), (105, 678395), (111, 641725), (133, 535575), (175, 407037), (185, 385035), (193, 369075), (259, 275025), (285, 249935), (399, 178525), (475, 149961), (525, 135679), (555, 128345), (579, 123025), (665, 107115), (703, 101325), (777, 91675), (925, 77007), (965, 73815), (1295, 55005), (1351, 52725), (1425, 49987), (1995, 35705), (2109, 33775), (2775, 25669), (2895, 24605), (3325, 21423), (3515, 20265), (3667, 19425), (3885, 18335), (4053, 17575), (4825, 14763), (4921, 14475), (6475, 11001), (6755, 10545), (7141, 9975)]