12718881

素因数分解:

$3^2\times 7^2\times {\mathrm{151}}^1\times {\mathrm{191}}^1$

素因数の和:362

約数の個数: 36

約数和(自身を含む): 21625344

約数和(自身を除く): 8906463

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 151, 191, 441, 453, 573, 1057, 1337, 1359, 1719, 3171, 4011, 7399, 9359, 9513, 12033, 22197, 28077, 28841, 66591, 84231, 86523, 201887, 259569, 605661, 1413209, 1816983, 4239627, 12718881]

約数ペア:

[(1, 12718881), (3, 4239627), (7, 1816983), (9, 1413209), (21, 605661), (49, 259569), (63, 201887), (147, 86523), (151, 84231), (191, 66591), (441, 28841), (453, 28077), (573, 22197), (1057, 12033), (1337, 9513), (1359, 9359), (1719, 7399), (3171, 4011)]