39857643

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:265

約数の個数: 64

約数和(自身を含む): 72161280

約数和(自身を除く): 32303637

約数列:

[1, 3, 7, 9, 21, 23, 27, 53, 63, 69, 159, 161, 173, 189, 207, 371, 477, 483, 519, 621, 1113, 1211, 1219, 1431, 1449, 1557, 3339, 3633, 3657, 3979, 4347, 4671, 8533, 9169, 10017, 10899, 10971, 11937, 25599, 27507, 27853, 32697, 32913, 35811, 64183, 76797, 82521, 83559, 107433, 192549, 210887, 230391, 247563, 250677, 577647, 632661, 752031, 1476209, 1732941, 1897983, 4428627, 5693949, 13285881, 39857643]

約数ペア:

[(1, 39857643), (3, 13285881), (7, 5693949), (9, 4428627), (21, 1897983), (23, 1732941), (27, 1476209), (53, 752031), (63, 632661), (69, 577647), (159, 250677), (161, 247563), (173, 230391), (189, 210887), (207, 192549), (371, 107433), (477, 83559), (483, 82521), (519, 76797), (621, 64183), (1113, 35811), (1211, 32913), (1219, 32697), (1431, 27853), (1449, 27507), (1557, 25599), (3339, 11937), (3633, 10971), (3657, 10899), (3979, 10017), (4347, 9169), (4671, 8533)]