161777897811

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{1249}}^1\times {\mathrm{67567}}^1$

素因数の和:68896

約数の個数: 32

約数和(自身を含む): 243244800000

約数和(自身を除く): 81466902189

約数列:

[1, 3, 9, 27, 71, 213, 639, 1249, 1917, 3747, 11241, 33723, 67567, 88679, 202701, 266037, 608103, 798111, 1824309, 2394333, 4797257, 14391771, 43175313, 84391183, 129525939, 253173549, 759520647, 2278561941, 5991773993, 17975321979, 53925965937, 161777897811]

約数ペア:

[(1, 161777897811), (3, 53925965937), (9, 17975321979), (27, 5991773993), (71, 2278561941), (213, 759520647), (639, 253173549), (1249, 129525939), (1917, 84391183), (3747, 43175313), (11241, 14391771), (33723, 4797257), (67567, 2394333), (88679, 1824309), (202701, 798111), (266037, 608103)]