51706221

素因数分解:

$3^1\times 7^3\times {\mathrm{109}}^1\times {\mathrm{461}}^1$

素因数の和:594

約数の個数: 32

約数和(自身を含む): 81312000

約数和(自身を除く): 29605779

約数列:

[1, 3, 7, 21, 49, 109, 147, 327, 343, 461, 763, 1029, 1383, 2289, 3227, 5341, 9681, 16023, 22589, 37387, 50249, 67767, 112161, 150747, 158123, 351743, 474369, 1055229, 2462201, 7386603, 17235407, 51706221]

約数ペア:

[(1, 51706221), (3, 17235407), (7, 7386603), (21, 2462201), (49, 1055229), (109, 474369), (147, 351743), (327, 158123), (343, 150747), (461, 112161), (763, 67767), (1029, 50249), (1383, 37387), (2289, 22589), (3227, 16023), (5341, 9681)]