253264521

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{1153}}^1$

素因数の和:1305

約数の個数: 32

約数和(自身を含む): 368910720

約数和(自身を除く): 115646199

約数列:

[1, 3, 17, 51, 59, 73, 177, 219, 1003, 1153, 1241, 3009, 3459, 3723, 4307, 12921, 19601, 58803, 68027, 73219, 84169, 204081, 219657, 252507, 1156459, 1430873, 3469377, 4292619, 4965971, 14897913, 84421507, 253264521]

約数ペア:

[(1, 253264521), (3, 84421507), (17, 14897913), (51, 4965971), (59, 4292619), (73, 3469377), (177, 1430873), (219, 1156459), (1003, 252507), (1153, 219657), (1241, 204081), (3009, 84169), (3459, 73219), (3723, 68027), (4307, 58803), (12921, 19601)]