31007991

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{179}}^1$

素因数の和:375

約数の個数: 32

約数和(自身を含む): 48591360

約数和(自身を除く): 17583369

約数列:

[1, 3, 7, 21, 73, 113, 179, 219, 339, 511, 537, 791, 1253, 1533, 2373, 3759, 8249, 13067, 20227, 24747, 39201, 57743, 60681, 91469, 141589, 173229, 274407, 424767, 1476571, 4429713, 10335997, 31007991]

約数ペア:

[(1, 31007991), (3, 10335997), (7, 4429713), (21, 1476571), (73, 424767), (113, 274407), (179, 173229), (219, 141589), (339, 91469), (511, 60681), (537, 57743), (791, 39201), (1253, 24747), (1533, 20227), (2373, 13067), (3759, 8249)]