244927557

素因数分解:

$3^4\times 7^1\times {\mathrm{251}}^1\times {\mathrm{1721}}^1$

素因数の和:1991

約数の個数: 40

約数和(自身を含む): 420057792

約数和(自身を除く): 175130235

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 251, 567, 753, 1721, 1757, 2259, 5163, 5271, 6777, 12047, 15489, 15813, 20331, 36141, 46467, 47439, 108423, 139401, 142317, 325269, 431971, 975807, 1295913, 3023797, 3887739, 9071391, 11663217, 27214173, 34989651, 81642519, 244927557]

約数ペア:

[(1, 244927557), (3, 81642519), (7, 34989651), (9, 27214173), (21, 11663217), (27, 9071391), (63, 3887739), (81, 3023797), (189, 1295913), (251, 975807), (567, 431971), (753, 325269), (1721, 142317), (1757, 139401), (2259, 108423), (5163, 47439), (5271, 46467), (6777, 36141), (12047, 20331), (15489, 15813)]