39728871

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{271}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 71285760

約数和(自身を除く): 31556889

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 179, 271, 273, 537, 813, 819, 1253, 1611, 1897, 2327, 2439, 3523, 3759, 5691, 6981, 10569, 11277, 16289, 17073, 20943, 24661, 31707, 48509, 48867, 73983, 145527, 146601, 221949, 339563, 436581, 630617, 1018689, 1891851, 3056067, 4414319, 5675553, 13242957, 39728871]

約数ペア:

[(1, 39728871), (3, 13242957), (7, 5675553), (9, 4414319), (13, 3056067), (21, 1891851), (39, 1018689), (63, 630617), (91, 436581), (117, 339563), (179, 221949), (271, 146601), (273, 145527), (537, 73983), (813, 48867), (819, 48509), (1253, 31707), (1611, 24661), (1897, 20943), (2327, 17073), (2439, 16289), (3523, 11277), (3759, 10569), (5691, 6981)]