30721917

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{3433}}^1$

素因数の和:3612

約数の個数: 16

約数和(自身を含む): 43405760

約数和(自身を除く): 12683843

約数列:

[1, 3, 19, 57, 157, 471, 2983, 3433, 8949, 10299, 65227, 195681, 538981, 1616943, 10240639, 30721917]

約数ペア:

[(1, 30721917), (3, 10240639), (19, 1616943), (57, 538981), (157, 195681), (471, 65227), (2983, 10299), (3433, 8949)]