438020109

素因数分解:

$3^3\times {\mathrm{157}}^1\times {\mathrm{191}}^1\times {\mathrm{541}}^1$

素因数の和:898

約数の個数: 32

約数和(自身を含む): 657684480

約数和(自身を除く): 219664371

約数列:

[1, 3, 9, 27, 157, 191, 471, 541, 573, 1413, 1623, 1719, 4239, 4869, 5157, 14607, 29987, 84937, 89961, 103331, 254811, 269883, 309993, 764433, 809649, 929979, 2293299, 2789937, 16222967, 48668901, 146006703, 438020109]

約数ペア:

[(1, 438020109), (3, 146006703), (9, 48668901), (27, 16222967), (157, 2789937), (191, 2293299), (471, 929979), (541, 809649), (573, 764433), (1413, 309993), (1623, 269883), (1719, 254811), (4239, 103331), (4869, 89961), (5157, 84937), (14607, 29987)]