212601921

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{2851}}^1$

素因数の和:2981

約数の個数: 32

約数和(自身を含む): 335121408

約数和(自身を除く): 122519487

約数列:

[1, 3, 7, 21, 53, 67, 159, 201, 371, 469, 1113, 1407, 2851, 3551, 8553, 10653, 19957, 24857, 59871, 74571, 151103, 191017, 453309, 573051, 1057721, 1337119, 3173163, 4011357, 10123901, 30371703, 70867307, 212601921]

約数ペア:

[(1, 212601921), (3, 70867307), (7, 30371703), (21, 10123901), (53, 4011357), (67, 3173163), (159, 1337119), (201, 1057721), (371, 573051), (469, 453309), (1113, 191017), (1407, 151103), (2851, 74571), (3551, 59871), (8553, 24857), (10653, 19957)]