81123585

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{4337}}^1$

素因数の和:4417

約数の個数: 32

約数和(自身を含む): 137427840

約数和(自身を除く): 56304255

約数列:

[1, 3, 5, 15, 29, 43, 87, 129, 145, 215, 435, 645, 1247, 3741, 4337, 6235, 13011, 18705, 21685, 65055, 125773, 186491, 377319, 559473, 628865, 932455, 1886595, 2797365, 5408239, 16224717, 27041195, 81123585]

約数ペア:

[(1, 81123585), (3, 27041195), (5, 16224717), (15, 5408239), (29, 2797365), (43, 1886595), (87, 932455), (129, 628865), (145, 559473), (215, 377319), (435, 186491), (645, 125773), (1247, 65055), (3741, 21685), (4337, 18705), (6235, 13011)]