64989903

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 97090560

約数和(自身を除く): 32100657

約数列:

[1, 3, 11, 33, 79, 97, 237, 257, 291, 771, 869, 1067, 2607, 2827, 3201, 7663, 8481, 20303, 22989, 24929, 60909, 74787, 84293, 223333, 252879, 274219, 669999, 822657, 1969391, 5908173, 21663301, 64989903]

約数ペア:

[(1, 64989903), (3, 21663301), (11, 5908173), (33, 1969391), (79, 822657), (97, 669999), (237, 274219), (257, 252879), (291, 223333), (771, 84293), (869, 74787), (1067, 60909), (2607, 24929), (2827, 22989), (3201, 20303), (7663, 8481)]