81489603

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{97}}^1\times {\mathrm{1657}}^1$

素因数の和:1783

約数の個数: 24

約数和(自身を含む): 118938288

約数和(自身を除く): 37448685

約数列:

[1, 3, 13, 39, 97, 169, 291, 507, 1261, 1657, 3783, 4971, 16393, 21541, 49179, 64623, 160729, 280033, 482187, 840099, 2089477, 6268431, 27163201, 81489603]

約数ペア:

[(1, 81489603), (3, 27163201), (13, 6268431), (39, 2089477), (97, 840099), (169, 482187), (291, 280033), (507, 160729), (1261, 64623), (1657, 49179), (3783, 21541), (4971, 16393)]