2801225385

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{66863}}^1$

素因数の和:66907

約数の個数: 72

約数和(自身を含む): 5945546880

約数和(自身を除く): 3144321495

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 49, 57, 63, 95, 105, 133, 147, 171, 245, 285, 315, 399, 441, 665, 735, 855, 931, 1197, 1995, 2205, 2793, 4655, 5985, 8379, 13965, 41895, 66863, 200589, 334315, 468041, 601767, 1002945, 1270397, 1404123, 2340205, 3008835, 3276287, 3811191, 4212369, 6351985, 7020615, 8892779, 9828861, 11433573, 16381435, 19055955, 21061845, 26678337, 29486583, 44463895, 49144305, 57167865, 62249453, 80035011, 133391685, 147432915, 186748359, 311247265, 400175055, 560245077, 933741795, 2801225385]

約数ペア:

[(1, 2801225385), (3, 933741795), (5, 560245077), (7, 400175055), (9, 311247265), (15, 186748359), (19, 147432915), (21, 133391685), (35, 80035011), (45, 62249453), (49, 57167865), (57, 49144305), (63, 44463895), (95, 29486583), (105, 26678337), (133, 21061845), (147, 19055955), (171, 16381435), (245, 11433573), (285, 9828861), (315, 8892779), (399, 7020615), (441, 6351985), (665, 4212369), (735, 3811191), (855, 3276287), (931, 3008835), (1197, 2340205), (1995, 1404123), (2205, 1270397), (2793, 1002945), (4655, 601767), (5985, 468041), (8379, 334315), (13965, 200589), (41895, 66863)]