213851043

素因数分解:

$3^3\times 7^2\times {\mathrm{161641}}^1$

素因数の和:161664

約数の個数: 24

約数和(自身を含む): 368543760

約数和(自身を除く): 154692717

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 161641, 484923, 1131487, 1454769, 3394461, 4364307, 7920409, 10183383, 23761227, 30550149, 71283681, 213851043]

約数ペア:

[(1, 213851043), (3, 71283681), (7, 30550149), (9, 23761227), (21, 10183383), (27, 7920409), (49, 4364307), (63, 3394461), (147, 1454769), (189, 1131487), (441, 484923), (1323, 161641)]