30020247

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1$

素因数の和:588

約数の個数: 32

約数和(自身を含む): 47264000

約数和(自身を除く): 17243753

約数列:

[1, 3, 9, 19, 27, 57, 139, 171, 417, 421, 513, 1251, 1263, 2641, 3753, 3789, 7923, 7999, 11367, 23769, 23997, 58519, 71307, 71991, 175557, 215973, 526671, 1111861, 1580013, 3335583, 10006749, 30020247]

約数ペア:

[(1, 30020247), (3, 10006749), (9, 3335583), (19, 1580013), (27, 1111861), (57, 526671), (139, 215973), (171, 175557), (417, 71991), (421, 71307), (513, 58519), (1251, 23997), (1263, 23769), (2641, 11367), (3753, 7999), (3789, 7923)]