78747837

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{8581}}^1$

素因数の和:8633

約数の個数: 32

約数和(自身を含む): 131819520

約数和(自身を除く): 53071683

約数列:

[1, 3, 7, 19, 21, 23, 57, 69, 133, 161, 399, 437, 483, 1311, 3059, 8581, 9177, 25743, 60067, 163039, 180201, 197363, 489117, 592089, 1141273, 1381541, 3423819, 3749897, 4144623, 11249691, 26249279, 78747837]

約数ペア:

[(1, 78747837), (3, 26249279), (7, 11249691), (19, 4144623), (21, 3749897), (23, 3423819), (57, 1381541), (69, 1141273), (133, 592089), (161, 489117), (399, 197363), (437, 180201), (483, 163039), (1311, 60067), (3059, 25743), (8581, 9177)]