30880551

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{991}}^1$

素因数の和:1071

約数の個数: 32

約数和(自身を含む): 47996928

約数和(自身を除く): 17116377

約数列:

[1, 3, 13, 17, 39, 47, 51, 141, 221, 611, 663, 799, 991, 1833, 2397, 2973, 10387, 12883, 16847, 31161, 38649, 46577, 50541, 139731, 219011, 605501, 657033, 791809, 1816503, 2375427, 10293517, 30880551]

約数ペア:

[(1, 30880551), (3, 10293517), (13, 2375427), (17, 1816503), (39, 791809), (47, 657033), (51, 605501), (141, 219011), (221, 139731), (611, 50541), (663, 46577), (799, 38649), (991, 31161), (1833, 16847), (2397, 12883), (2973, 10387)]