81441771

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:539

約数の個数: 32

約数和(自身を含む): 118444800

約数和(自身を除く): 37003029

約数列:

[1, 3, 19, 57, 59, 61, 177, 183, 397, 1121, 1159, 1191, 3363, 3477, 3599, 7543, 10797, 22629, 23423, 24217, 68381, 70269, 72651, 205143, 445037, 460123, 1335111, 1380369, 1428803, 4286409, 27147257, 81441771]

約数ペア:

[(1, 81441771), (3, 27147257), (19, 4286409), (57, 1428803), (59, 1380369), (61, 1335111), (177, 460123), (183, 445037), (397, 205143), (1121, 72651), (1159, 70269), (1191, 68381), (3363, 24217), (3477, 23423), (3599, 22629), (7543, 10797)]