155519997

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{313}}^1\times {\mathrm{379}}^1$

素因数の和:737

約数の個数: 32

約数和(自身を含む): 229094400

約数和(自身を除く): 73574403

約数列:

[1, 3, 19, 23, 57, 69, 313, 379, 437, 939, 1137, 1311, 5947, 7199, 7201, 8717, 17841, 21597, 21603, 26151, 118627, 136781, 165623, 355881, 410343, 496869, 2253913, 2728421, 6761739, 8185263, 51839999, 155519997]

約数ペア:

[(1, 155519997), (3, 51839999), (19, 8185263), (23, 6761739), (57, 2728421), (69, 2253913), (313, 496869), (379, 410343), (437, 355881), (939, 165623), (1137, 136781), (1311, 118627), (5947, 26151), (7199, 21603), (7201, 21597), (8717, 17841)]