15981595

素因数分解:

$5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 24016608

約数和(自身を除く): 8035013

約数列:

[1, 5, 7, 35, 37, 41, 43, 49, 185, 205, 215, 245, 259, 287, 301, 1295, 1435, 1505, 1517, 1591, 1763, 1813, 2009, 2107, 7585, 7955, 8815, 9065, 10045, 10535, 10619, 11137, 12341, 53095, 55685, 61705, 65231, 74333, 77959, 86387, 326155, 371665, 389795, 431935, 456617, 2283085, 3196319, 15981595]

約数ペア:

[(1, 15981595), (5, 3196319), (7, 2283085), (35, 456617), (37, 431935), (41, 389795), (43, 371665), (49, 326155), (185, 86387), (205, 77959), (215, 74333), (245, 65231), (259, 61705), (287, 55685), (301, 53095), (1295, 12341), (1435, 11137), (1505, 10619), (1517, 10535), (1591, 10045), (1763, 9065), (1813, 8815), (2009, 7955), (2107, 7585)]