809781147

素因数分解:

$3^2\times 7^1\times {\mathrm{397}}^1\times {\mathrm{32377}}^1$

素因数の和:32787

約数の個数: 24

約数和(自身を含む): 1340190176

約数和(自身を除く): 530409029

約数列:

[1, 3, 7, 9, 21, 63, 397, 1191, 2779, 3573, 8337, 25011, 32377, 97131, 226639, 291393, 679917, 2039751, 12853669, 38561007, 89975683, 115683021, 269927049, 809781147]

約数ペア:

[(1, 809781147), (3, 269927049), (7, 115683021), (9, 89975683), (21, 38561007), (63, 12853669), (397, 2039751), (1191, 679917), (2779, 291393), (3573, 226639), (8337, 97131), (25011, 32377)]