13285881

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 23452416

約数和(自身を除く): 10166535

約数列:

[1, 3, 7, 9, 21, 23, 53, 63, 69, 159, 161, 173, 207, 371, 477, 483, 519, 1113, 1211, 1219, 1449, 1557, 3339, 3633, 3657, 3979, 8533, 9169, 10899, 10971, 11937, 25599, 27507, 27853, 35811, 64183, 76797, 82521, 83559, 192549, 210887, 250677, 577647, 632661, 1476209, 1897983, 4428627, 13285881]

約数ペア:

[(1, 13285881), (3, 4428627), (7, 1897983), (9, 1476209), (21, 632661), (23, 577647), (53, 250677), (63, 210887), (69, 192549), (159, 83559), (161, 82521), (173, 76797), (207, 64183), (371, 35811), (477, 27853), (483, 27507), (519, 25599), (1113, 11937), (1211, 10971), (1219, 10899), (1449, 9169), (1557, 8533), (3339, 3979), (3633, 3657)]