28510317

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{659}}^1$

素因数の和:718

約数の個数: 48

約数和(自身を含む): 49420800

約数和(自身を除く): 20910483

約数列:

[1, 3, 9, 11, 19, 23, 33, 57, 69, 99, 171, 207, 209, 253, 437, 627, 659, 759, 1311, 1881, 1977, 2277, 3933, 4807, 5931, 7249, 12521, 14421, 15157, 21747, 37563, 43263, 45471, 65241, 112689, 136413, 137731, 166727, 287983, 413193, 500181, 863949, 1239579, 1500543, 2591847, 3167813, 9503439, 28510317]

約数ペア:

[(1, 28510317), (3, 9503439), (9, 3167813), (11, 2591847), (19, 1500543), (23, 1239579), (33, 863949), (57, 500181), (69, 413193), (99, 287983), (171, 166727), (207, 137731), (209, 136413), (253, 112689), (437, 65241), (627, 45471), (659, 43263), (759, 37563), (1311, 21747), (1881, 15157), (1977, 14421), (2277, 12521), (3933, 7249), (4807, 5931)]