30681465

素因数分解:

$3^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{3191}}^1$

素因数の和:3840

約数の個数: 16

約数和(自身を含む): 49182336

約数和(自身を除く): 18500871

約数列:

[1, 3, 5, 15, 641, 1923, 3191, 3205, 9573, 9615, 15955, 47865, 2045431, 6136293, 10227155, 30681465]

約数ペア:

[(1, 30681465), (3, 10227155), (5, 6136293), (15, 2045431), (641, 47865), (1923, 15955), (3191, 9615), (3205, 9573)]