1905245139

素因数分解:

$3^1\times 7^1\times {\mathrm{12959}}^1\times {\mathrm{7001}}^1$

素因数の和:19970

約数の個数: 16

約数和(自身を含む): 2903869440

約数和(自身を除く): 998624301

約数列:

[1, 3, 7, 21, 7001, 12959, 21003, 38877, 49007, 90713, 147021, 272139, 90725959, 272177877, 635081713, 1905245139]

約数ペア:

[(1, 1905245139), (3, 635081713), (7, 272177877), (21, 90725959), (7001, 272139), (12959, 147021), (21003, 90713), (38877, 49007)]