39913209

素因数分解:

$3^3\times 7^1\times {\mathrm{223}}^1\times {\mathrm{947}}^1$

素因数の和:1186

約数の個数: 32

約数和(自身を含む): 67952640

約数和(自身を除く): 28039431

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 223, 669, 947, 1561, 2007, 2841, 4683, 6021, 6629, 8523, 14049, 19887, 25569, 42147, 59661, 178983, 211181, 633543, 1478267, 1900629, 4434801, 5701887, 13304403, 39913209]

約数ペア:

[(1, 39913209), (3, 13304403), (7, 5701887), (9, 4434801), (21, 1900629), (27, 1478267), (63, 633543), (189, 211181), (223, 178983), (669, 59661), (947, 42147), (1561, 25569), (2007, 19887), (2841, 14049), (4683, 8523), (6021, 6629)]