13128255

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{587}}^1$

素因数の和:676

約数の個数: 48

約数和(自身を含む): 26417664

約数和(自身を除く): 13289409

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 71, 105, 213, 315, 355, 497, 587, 639, 1065, 1491, 1761, 2485, 2935, 3195, 4109, 4473, 5283, 7455, 8805, 12327, 20545, 22365, 26415, 36981, 41677, 61635, 125031, 184905, 208385, 291739, 375093, 625155, 875217, 1458695, 1875465, 2625651, 4376085, 13128255]

約数ペア:

[(1, 13128255), (3, 4376085), (5, 2625651), (7, 1875465), (9, 1458695), (15, 875217), (21, 625155), (35, 375093), (45, 291739), (63, 208385), (71, 184905), (105, 125031), (213, 61635), (315, 41677), (355, 36981), (497, 26415), (587, 22365), (639, 20545), (1065, 12327), (1491, 8805), (1761, 7455), (2485, 5283), (2935, 4473), (3195, 4109)]