15121743

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 26008416

約数和(自身を除く): 10886673

約数列:

[1, 3, 7, 13, 21, 39, 41, 49, 91, 123, 147, 193, 273, 287, 533, 579, 637, 861, 1351, 1599, 1911, 2009, 2509, 3731, 4053, 6027, 7527, 7913, 9457, 11193, 17563, 23739, 26117, 28371, 52689, 55391, 78351, 102869, 122941, 166173, 308607, 368823, 387737, 720083, 1163211, 2160249, 5040581, 15121743]

約数ペア:

[(1, 15121743), (3, 5040581), (7, 2160249), (13, 1163211), (21, 720083), (39, 387737), (41, 368823), (49, 308607), (91, 166173), (123, 122941), (147, 102869), (193, 78351), (273, 55391), (287, 52689), (533, 28371), (579, 26117), (637, 23739), (861, 17563), (1351, 11193), (1599, 9457), (1911, 7913), (2009, 7527), (2509, 6027), (3731, 4053)]