29719431

素因数分解:

$3^2\times 7^2\times {\mathrm{67391}}^1$

素因数の和:67411

約数の個数: 18

約数和(自身を含む): 49937472

約数和(自身を除く): 20218041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 67391, 202173, 471737, 606519, 1415211, 3302159, 4245633, 9906477, 29719431]

約数ペア:

[(1, 29719431), (3, 9906477), (7, 4245633), (9, 3302159), (21, 1415211), (49, 606519), (63, 471737), (147, 202173), (441, 67391)]