15721708059

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{223}}^1\times {\mathrm{281}}^1\times {\mathrm{457}}^1$

素因数の和:1028

約数の個数: 48

約数和(自身を含む): 23318340864

約数和(自身を除く): 7596632805

約数列:

[1, 3, 9, 61, 183, 223, 281, 457, 549, 669, 843, 1371, 2007, 2529, 4113, 13603, 17141, 27877, 40809, 51423, 62663, 83631, 101911, 122427, 128417, 154269, 187989, 250893, 305733, 385251, 563967, 917199, 1155753, 3822443, 6216571, 7833437, 11467329, 18649713, 23500311, 28636991, 34401987, 55949139, 70500933, 85910973, 257732919, 1746856451, 5240569353, 15721708059]

約数ペア:

[(1, 15721708059), (3, 5240569353), (9, 1746856451), (61, 257732919), (183, 85910973), (223, 70500933), (281, 55949139), (457, 34401987), (549, 28636991), (669, 23500311), (843, 18649713), (1371, 11467329), (2007, 7833437), (2529, 6216571), (4113, 3822443), (13603, 1155753), (17141, 917199), (27877, 563967), (40809, 385251), (51423, 305733), (62663, 250893), (83631, 187989), (101911, 154269), (122427, 128417)]