15958173

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 27578880

約数和(自身を除く): 11620707

約数列:

[1, 3, 7, 11, 21, 33, 49, 71, 77, 139, 147, 213, 231, 417, 497, 539, 781, 973, 1491, 1529, 1617, 2343, 2919, 3479, 4587, 5467, 6811, 9869, 10437, 10703, 16401, 20433, 29607, 32109, 38269, 69083, 74921, 108559, 114807, 207249, 224763, 325677, 483581, 759913, 1450743, 2279739, 5319391, 15958173]

約数ペア:

[(1, 15958173), (3, 5319391), (7, 2279739), (11, 1450743), (21, 759913), (33, 483581), (49, 325677), (71, 224763), (77, 207249), (139, 114807), (147, 108559), (213, 74921), (231, 69083), (417, 38269), (497, 32109), (539, 29607), (781, 20433), (973, 16401), (1491, 10703), (1529, 10437), (1617, 9869), (2343, 6811), (2919, 5467), (3479, 4587)]