251144295

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{401}}^1\times {\mathrm{971}}^1$

素因数の和:1423

約数の個数: 32

約数和(自身を含む): 412625664

約数和(自身を除く): 161481369

約数列:

[1, 3, 5, 15, 43, 129, 215, 401, 645, 971, 1203, 2005, 2913, 4855, 6015, 14565, 17243, 41753, 51729, 86215, 125259, 208765, 258645, 389371, 626295, 1168113, 1946855, 5840565, 16742953, 50228859, 83714765, 251144295]

約数ペア:

[(1, 251144295), (3, 83714765), (5, 50228859), (15, 16742953), (43, 5840565), (129, 1946855), (215, 1168113), (401, 626295), (645, 389371), (971, 258645), (1203, 208765), (2005, 125259), (2913, 86215), (4855, 51729), (6015, 41753), (14565, 17243)]