31021977

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^2\times {\mathrm{397}}^1$

素因数の和:529

約数の個数: 24

約数和(自身を含む): 48180288

約数和(自身を除く): 17158311

約数列:

[1, 3, 7, 21, 61, 183, 397, 427, 1191, 1281, 2779, 3721, 8337, 11163, 24217, 26047, 72651, 78141, 169519, 508557, 1477237, 4431711, 10340659, 31021977]

約数ペア:

[(1, 31021977), (3, 10340659), (7, 4431711), (21, 1477237), (61, 508557), (183, 169519), (397, 78141), (427, 72651), (1191, 26047), (1281, 24217), (2779, 11163), (3721, 8337)]