261601893

素因数分解:

$3^5\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1361}}^1$

素因数の和:1496

約数の個数: 48

約数和(自身を含む): 452140416

約数和(自身を除く): 190538523

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 113, 189, 243, 339, 567, 791, 1017, 1361, 1701, 2373, 3051, 4083, 7119, 9153, 9527, 12249, 21357, 27459, 28581, 36747, 64071, 85743, 110241, 153793, 192213, 257229, 330723, 461379, 771687, 1076551, 1384137, 2315061, 3229653, 4152411, 9688959, 12457233, 29066877, 37371699, 87200631, 261601893]

約数ペア:

[(1, 261601893), (3, 87200631), (7, 37371699), (9, 29066877), (21, 12457233), (27, 9688959), (63, 4152411), (81, 3229653), (113, 2315061), (189, 1384137), (243, 1076551), (339, 771687), (567, 461379), (791, 330723), (1017, 257229), (1361, 192213), (1701, 153793), (2373, 110241), (3051, 85743), (4083, 64071), (7119, 36747), (9153, 28581), (9527, 27459), (12249, 21357)]