28291473

素因数分解:

$3^2\times 7^2\times {\mathrm{64153}}^1$

素因数の和:64173

約数の個数: 18

約数和(自身を含む): 47538114

約数和(自身を除く): 19246641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 64153, 192459, 449071, 577377, 1347213, 3143497, 4041639, 9430491, 28291473]

約数ペア:

[(1, 28291473), (3, 9430491), (7, 4041639), (9, 3143497), (21, 1347213), (49, 577377), (63, 449071), (147, 192459), (441, 64153)]