80971839

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{661}}^1$

素因数の和:1032

約数の個数: 32

約数和(自身を含む): 129752000

約数和(自身を除く): 48780161

約数列:

[1, 3, 9, 13, 27, 39, 117, 349, 351, 661, 1047, 1983, 3141, 4537, 5949, 8593, 9423, 13611, 17847, 25779, 40833, 77337, 122499, 230689, 232011, 692067, 2076201, 2998957, 6228603, 8996871, 26990613, 80971839]

約数ペア:

[(1, 80971839), (3, 26990613), (9, 8996871), (13, 6228603), (27, 2998957), (39, 2076201), (117, 692067), (349, 232011), (351, 230689), (661, 122499), (1047, 77337), (1983, 40833), (3141, 25779), (4537, 17847), (5949, 13611), (8593, 9423)]