81081018

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{3001}}^1$

素因数の和:3107

約数の個数: 48

約数和(自身を含む): 187324800

約数和(自身を除く): 106243782

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 79, 114, 158, 171, 237, 342, 474, 711, 1422, 1501, 3001, 3002, 4503, 6002, 9003, 9006, 13509, 18006, 27009, 27018, 54018, 57019, 114038, 171057, 237079, 342114, 474158, 513171, 711237, 1026342, 1422474, 2133711, 4267422, 4504501, 9009002, 13513503, 27027006, 40540509, 81081018]

約数ペア:

[(1, 81081018), (2, 40540509), (3, 27027006), (6, 13513503), (9, 9009002), (18, 4504501), (19, 4267422), (38, 2133711), (57, 1422474), (79, 1026342), (114, 711237), (158, 513171), (171, 474158), (237, 342114), (342, 237079), (474, 171057), (711, 114038), (1422, 57019), (1501, 54018), (3001, 27018), (3002, 27009), (4503, 18006), (6002, 13509), (9003, 9006)]