255350865

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{221083}}^1$

素因数の和:221109

約数の個数: 32

約数和(自身を含む): 509377536

約数和(自身を除く): 254026671

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 221083, 663249, 1105415, 1547581, 2431913, 3316245, 4642743, 7295739, 7737905, 12159565, 17023391, 23213715, 36478695, 51070173, 85116955, 255350865]

約数ペア:

[(1, 255350865), (3, 85116955), (5, 51070173), (7, 36478695), (11, 23213715), (15, 17023391), (21, 12159565), (33, 7737905), (35, 7295739), (55, 4642743), (77, 3316245), (105, 2431913), (165, 1547581), (231, 1105415), (385, 663249), (1155, 221083)]