225313989

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1\times {\mathrm{313}}^1$

素因数の和:581

約数の個数: 32

約数和(自身を含む): 323445120

約数和(自身を除く): 98131131

約数列:

[1, 3, 19, 57, 73, 173, 219, 313, 519, 939, 1387, 3287, 4161, 5947, 9861, 12629, 17841, 22849, 37887, 54149, 68547, 162447, 239951, 434131, 719853, 1028831, 1302393, 3086493, 3952877, 11858631, 75104663, 225313989]

約数ペア:

[(1, 225313989), (3, 75104663), (19, 11858631), (57, 3952877), (73, 3086493), (173, 1302393), (219, 1028831), (313, 719853), (519, 434131), (939, 239951), (1387, 162447), (3287, 68547), (4161, 54149), (5947, 37887), (9861, 22849), (12629, 17841)]