141493989

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{523}}^1\times {\mathrm{991}}^1$

素因数の和:1537

約数の個数: 32

約数和(自身を含む): 232873984

約数和(自身を除く): 91379995

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 523, 991, 1569, 2973, 3661, 6799, 6937, 10983, 12883, 20397, 20811, 38649, 47593, 90181, 142779, 270543, 518293, 1554879, 3628051, 6737809, 10884153, 20213427, 47164663, 141493989]

約数ペア:

[(1, 141493989), (3, 47164663), (7, 20213427), (13, 10884153), (21, 6737809), (39, 3628051), (91, 1554879), (273, 518293), (523, 270543), (991, 142779), (1569, 90181), (2973, 47593), (3661, 38649), (6799, 20811), (6937, 20397), (10983, 12883)]