16872765

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1$

素因数の和:338

約数の個数: 64

約数和(自身を含む): 34062336

約数和(自身を除く): 17189571

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 47, 65, 91, 105, 141, 195, 235, 263, 273, 329, 455, 611, 705, 789, 987, 1315, 1365, 1645, 1833, 1841, 3055, 3419, 3945, 4277, 4935, 5523, 9165, 9205, 10257, 12361, 12831, 17095, 21385, 23933, 27615, 37083, 51285, 61805, 64155, 71799, 86527, 119665, 160693, 185415, 259581, 358995, 432635, 482079, 803465, 1124851, 1297905, 2410395, 3374553, 5624255, 16872765]

約数ペア:

[(1, 16872765), (3, 5624255), (5, 3374553), (7, 2410395), (13, 1297905), (15, 1124851), (21, 803465), (35, 482079), (39, 432635), (47, 358995), (65, 259581), (91, 185415), (105, 160693), (141, 119665), (195, 86527), (235, 71799), (263, 64155), (273, 61805), (329, 51285), (455, 37083), (611, 27615), (705, 23933), (789, 21385), (987, 17095), (1315, 12831), (1365, 12361), (1645, 10257), (1833, 9205), (1841, 9165), (3055, 5523), (3419, 4935), (3945, 4277)]