254865681

素因数分解:

$3^2\times 7^1\times {\mathrm{1879}}^1\times {\mathrm{2153}}^1$

素因数の和:4045

約数の個数: 24

約数和(自身を含む): 421150080

約数和(自身を除く): 166284399

約数列:

[1, 3, 7, 9, 21, 63, 1879, 2153, 5637, 6459, 13153, 15071, 16911, 19377, 39459, 45213, 118377, 135639, 4045487, 12136461, 28318409, 36409383, 84955227, 254865681]

約数ペア:

[(1, 254865681), (3, 84955227), (7, 36409383), (9, 28318409), (21, 12136461), (63, 4045487), (1879, 135639), (2153, 118377), (5637, 45213), (6459, 39459), (13153, 19377), (15071, 16911)]