159747231

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{5639}}^1$

素因数の和:5739

約数の個数: 32

約数和(自身を含む): 259891200

約数和(自身を除く): 100143969

約数列:

[1, 3, 7, 19, 21, 57, 71, 133, 213, 399, 497, 1349, 1491, 4047, 5639, 9443, 16917, 28329, 39473, 107141, 118419, 321423, 400369, 749987, 1201107, 2249961, 2802583, 7607011, 8407749, 22821033, 53249077, 159747231]

約数ペア:

[(1, 159747231), (3, 53249077), (7, 22821033), (19, 8407749), (21, 7607011), (57, 2802583), (71, 2249961), (133, 1201107), (213, 749987), (399, 400369), (497, 321423), (1349, 118419), (1491, 107141), (4047, 39473), (5639, 28329), (9443, 16917)]