8216896989

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{53681}}^1$

素因数の和:53925

約数の個数: 32

約数和(自身を含む): 12924907776

約数和(自身を除く): 4708010787

約数列:

[1, 3, 7, 21, 37, 111, 197, 259, 591, 777, 1379, 4137, 7289, 21867, 51023, 53681, 153069, 161043, 375767, 1127301, 1986197, 5958591, 10575157, 13903379, 31725471, 41710137, 74026099, 222078297, 391280809, 1173842427, 2738965663, 8216896989]

約数ペア:

[(1, 8216896989), (3, 2738965663), (7, 1173842427), (21, 391280809), (37, 222078297), (111, 74026099), (197, 41710137), (259, 31725471), (591, 13903379), (777, 10575157), (1379, 5958591), (4137, 1986197), (7289, 1127301), (21867, 375767), (51023, 161043), (53681, 153069)]