262586913

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1\times {\mathrm{281}}^1$

素因数の和:625

約数の個数: 32

約数和(自身を含む): 378628992

約数和(自身を除く): 116042079

約数列:

[1, 3, 17, 51, 73, 219, 251, 281, 753, 843, 1241, 3723, 4267, 4777, 12801, 14331, 18323, 20513, 54969, 61539, 70531, 211593, 311491, 348721, 934473, 1046163, 1199027, 3597081, 5148763, 15446289, 87528971, 262586913]

約数ペア:

[(1, 262586913), (3, 87528971), (17, 15446289), (51, 5148763), (73, 3597081), (219, 1199027), (251, 1046163), (281, 934473), (753, 348721), (843, 311491), (1241, 211593), (3723, 70531), (4267, 61539), (4777, 54969), (12801, 20513), (14331, 18323)]