31445271

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{461}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 54486432

約数和(自身を除く): 23041161

約数列:

[1, 3, 9, 11, 13, 33, 39, 53, 99, 117, 143, 159, 429, 461, 477, 583, 689, 1287, 1383, 1749, 2067, 4149, 5071, 5247, 5993, 6201, 7579, 15213, 17979, 22737, 24433, 45639, 53937, 65923, 68211, 73299, 197769, 219897, 268763, 317629, 593307, 806289, 952887, 2418867, 2858661, 3493919, 10481757, 31445271]

約数ペア:

[(1, 31445271), (3, 10481757), (9, 3493919), (11, 2858661), (13, 2418867), (33, 952887), (39, 806289), (53, 593307), (99, 317629), (117, 268763), (143, 219897), (159, 197769), (429, 73299), (461, 68211), (477, 65923), (583, 53937), (689, 45639), (1287, 24433), (1383, 22737), (1749, 17979), (2067, 15213), (4149, 7579), (5071, 6201), (5247, 5993)]