201719997

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{911}}^1$

素因数の和:1118

約数の個数: 32

約数和(自身を含む): 306432000

約数和(自身を除く): 104712003

約数列:

[1, 3, 9, 27, 59, 139, 177, 417, 531, 911, 1251, 1593, 2733, 3753, 8199, 8201, 24597, 24603, 53749, 73809, 126629, 161247, 221427, 379887, 483741, 1139661, 1451223, 3418983, 7471111, 22413333, 67239999, 201719997]

約数ペア:

[(1, 201719997), (3, 67239999), (9, 22413333), (27, 7471111), (59, 3418983), (139, 1451223), (177, 1139661), (417, 483741), (531, 379887), (911, 221427), (1251, 161247), (1593, 126629), (2733, 73809), (3753, 53749), (8199, 24603), (8201, 24597)]