261942009

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{542323}}^1$

素因数の和:542356

約数の個数: 16

約数和(自身を含む): 416504832

約数和(自身を除く): 154562823

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 542323, 1626969, 3796261, 11388783, 12473429, 37420287, 87314003, 261942009]

約数ペア:

[(1, 261942009), (3, 87314003), (7, 37420287), (21, 12473429), (23, 11388783), (69, 3796261), (161, 1626969), (483, 542323)]