28384251

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{739}}^1$

素因数の和:839

約数の個数: 32

約数和(自身を含む): 45465600

約数和(自身を除く): 17081349

約数列:

[1, 3, 7, 21, 31, 59, 93, 177, 217, 413, 651, 739, 1239, 1829, 2217, 5173, 5487, 12803, 15519, 22909, 38409, 43601, 68727, 130803, 160363, 305207, 481089, 915621, 1351631, 4054893, 9461417, 28384251]

約数ペア:

[(1, 28384251), (3, 9461417), (7, 4054893), (21, 1351631), (31, 915621), (59, 481089), (93, 305207), (177, 160363), (217, 130803), (413, 68727), (651, 43601), (739, 38409), (1239, 22909), (1829, 15519), (2217, 12803), (5173, 5487)]