289763409

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1\times {\mathrm{641}}^1$

素因数の和:897

約数の個数: 32

約数和(自身を含む): 425384064

約数和(自身を除く): 135620655

約数列:

[1, 3, 13, 39, 67, 173, 201, 519, 641, 871, 1923, 2249, 2613, 6747, 8333, 11591, 24999, 34773, 42947, 110893, 128841, 150683, 332679, 452049, 558311, 1441609, 1674933, 4324827, 7429831, 22289493, 96587803, 289763409]

約数ペア:

[(1, 289763409), (3, 96587803), (13, 22289493), (39, 7429831), (67, 4324827), (173, 1674933), (201, 1441609), (519, 558311), (641, 452049), (871, 332679), (1923, 150683), (2249, 128841), (2613, 110893), (6747, 42947), (8333, 34773), (11591, 24999)]