291298485

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^2\times {\mathrm{307}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 503350848

約数和(自身を除く): 212052363

約数列:

[1, 3, 5, 15, 17, 51, 61, 85, 183, 255, 305, 307, 915, 921, 1037, 1535, 3111, 3721, 4605, 5185, 5219, 11163, 15555, 15657, 18605, 18727, 26095, 55815, 56181, 63257, 78285, 93635, 189771, 280905, 316285, 318359, 948855, 955077, 1142347, 1591795, 3427041, 4775385, 5711735, 17135205, 19419899, 58259697, 97099495, 291298485]

約数ペア:

[(1, 291298485), (3, 97099495), (5, 58259697), (15, 19419899), (17, 17135205), (51, 5711735), (61, 4775385), (85, 3427041), (183, 1591795), (255, 1142347), (305, 955077), (307, 948855), (915, 318359), (921, 316285), (1037, 280905), (1535, 189771), (3111, 93635), (3721, 78285), (4605, 63257), (5185, 56181), (5219, 55815), (11163, 26095), (15555, 18727), (15657, 18605)]