1780890159

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{1489}}^1\times {\mathrm{20983}}^1$

素因数の和:22494

約数の個数: 16

約数和(自身を含む): 2501292800

約数和(自身を除く): 720402641

約数列:

[1, 3, 19, 57, 1489, 4467, 20983, 28291, 62949, 84873, 398677, 1196031, 31243687, 93731061, 593630053, 1780890159]

約数ペア:

[(1, 1780890159), (3, 593630053), (19, 93731061), (57, 31243687), (1489, 1196031), (4467, 398677), (20983, 84873), (28291, 62949)]