215525847

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{4273}}^1$

素因数の和:4359

約数の個数: 32

約数和(自身を含む): 324960768

約数和(自身を除く): 109434921

約数列:

[1, 3, 17, 23, 43, 51, 69, 129, 391, 731, 989, 1173, 2193, 2967, 4273, 12819, 16813, 50439, 72641, 98279, 183739, 217923, 294837, 551217, 1670743, 3123563, 4225997, 5012229, 9370689, 12677991, 71841949, 215525847]

約数ペア:

[(1, 215525847), (3, 71841949), (17, 12677991), (23, 9370689), (43, 5012229), (51, 4225997), (69, 3123563), (129, 1670743), (391, 551217), (731, 294837), (989, 217923), (1173, 183739), (2193, 98279), (2967, 72641), (4273, 50439), (12819, 16813)]