19847997621

素因数分解:

$3^3\times {\mathrm{11287}}^1\times {\mathrm{65129}}^1$

素因数の和:76425

約数の個数: 16

約数和(自身を含む): 29407497600

約数和(自身を除く): 9559499979

約数列:

[1, 3, 9, 27, 11287, 33861, 65129, 101583, 195387, 304749, 586161, 1758483, 735111023, 2205333069, 6615999207, 19847997621]

約数ペア:

[(1, 19847997621), (3, 6615999207), (9, 2205333069), (27, 735111023), (11287, 1758483), (33861, 586161), (65129, 304749), (101583, 195387)]