205228839

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{431}}^1$

素因数の和:627

約数の個数: 32

約数和(自身を含む): 293289984

約数和(自身を除く): 88061145

約数列:

[1, 3, 23, 67, 69, 103, 201, 309, 431, 1293, 1541, 2369, 4623, 6901, 7107, 9913, 20703, 28877, 29739, 44393, 86631, 133179, 158723, 476169, 664171, 1021039, 1992513, 2974331, 3063117, 8922993, 68409613, 205228839]

約数ペア:

[(1, 205228839), (3, 68409613), (23, 8922993), (67, 3063117), (69, 2974331), (103, 1992513), (201, 1021039), (309, 664171), (431, 476169), (1293, 158723), (1541, 133179), (2369, 86631), (4623, 44393), (6901, 29739), (7107, 28877), (9913, 20703)]