18270825831

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{1571}}^1\times {\mathrm{2143}}^1$

素因数の和:3793

約数の個数: 40

約数和(自身を含む): 27731387904

約数和(自身を除く): 9460562073

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1571, 1809, 2143, 4713, 5427, 6429, 14139, 19287, 42417, 57861, 105257, 127251, 143581, 173583, 315771, 430743, 947313, 1292229, 2841939, 3366653, 3876687, 8525817, 10099959, 11630061, 30299877, 90899631, 225565751, 272698893, 676697253, 2030091759, 6090275277, 18270825831]

約数ペア:

[(1, 18270825831), (3, 6090275277), (9, 2030091759), (27, 676697253), (67, 272698893), (81, 225565751), (201, 90899631), (603, 30299877), (1571, 11630061), (1809, 10099959), (2143, 8525817), (4713, 3876687), (5427, 3366653), (6429, 2841939), (14139, 1292229), (19287, 947313), (42417, 430743), (57861, 315771), (105257, 173583), (127251, 143581)]