215410947

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:475

約数の個数: 32

約数和(自身を含む): 302123520

約数和(自身を除く): 86712573

約数列:

[1, 3, 59, 61, 71, 177, 183, 213, 281, 843, 3599, 4189, 4331, 10797, 12567, 12993, 16579, 17141, 19951, 49737, 51423, 59853, 255529, 766587, 1011319, 1177109, 1217011, 3033957, 3531327, 3651033, 71803649, 215410947]

約数ペア:

[(1, 215410947), (3, 71803649), (59, 3651033), (61, 3531327), (71, 3033957), (177, 1217011), (183, 1177109), (213, 1011319), (281, 766587), (843, 255529), (3599, 59853), (4189, 51423), (4331, 49737), (10797, 19951), (12567, 17141), (12993, 16579)]