393420237

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{237143}}^1$

素因数の和:237232

約数の個数: 16

約数和(自身を含む): 607088640

約数和(自身を除く): 213668403

約数列:

[1, 3, 7, 21, 79, 237, 553, 1659, 237143, 711429, 1660001, 4980003, 18734297, 56202891, 131140079, 393420237]

約数ペア:

[(1, 393420237), (3, 131140079), (7, 56202891), (21, 18734297), (79, 4980003), (237, 1660001), (553, 711429), (1659, 237143)]