206534181

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{3923}}^1$

素因数の和:4065

約数の個数: 32

約数和(自身を含む): 331499520

約数和(自身を除く): 124965339

約数列:

[1, 3, 7, 21, 23, 69, 109, 161, 327, 483, 763, 2289, 2507, 3923, 7521, 11769, 17549, 27461, 52647, 82383, 90229, 270687, 427607, 631603, 1282821, 1894809, 2993249, 8979747, 9834961, 29504883, 68844727, 206534181]

約数ペア:

[(1, 206534181), (3, 68844727), (7, 29504883), (21, 9834961), (23, 8979747), (69, 2993249), (109, 1894809), (161, 1282821), (327, 631603), (483, 427607), (763, 270687), (2289, 90229), (2507, 82383), (3923, 52647), (7521, 27461), (11769, 17549)]