971018979

素因数分解:

$3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1\times {\mathrm{2221}}^1$

素因数の和:2531

約数の個数: 32

約数和(自身を含む): 1501716480

約数和(自身を除く): 530697501

約数列:

[1, 3, 7, 21, 109, 191, 327, 573, 763, 1337, 2221, 2289, 4011, 6663, 15547, 20819, 46641, 62457, 145733, 242089, 424211, 437199, 726267, 1272633, 1694623, 2969477, 5083869, 8908431, 46238999, 138716997, 323672993, 971018979]

約数ペア:

[(1, 971018979), (3, 323672993), (7, 138716997), (21, 46238999), (109, 8908431), (191, 5083869), (327, 2969477), (573, 1694623), (763, 1272633), (1337, 726267), (2221, 437199), (2289, 424211), (4011, 242089), (6663, 145733), (15547, 62457), (20819, 46641)]