1285502421

素因数分解:

$3^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{310733}}^1$

素因数の和:310940

約数の個数: 16

約数和(自身を含む): 1968810624

約数和(自身を除く): 683308203

約数列:

[1, 3, 7, 21, 197, 591, 1379, 4137, 310733, 932199, 2175131, 6525393, 61214401, 183643203, 428500807, 1285502421]

約数ペア:

[(1, 1285502421), (3, 428500807), (7, 183643203), (21, 61214401), (197, 6525393), (591, 2175131), (1379, 932199), (4137, 310733)]