27705321

素因数分解:

$3^4\times 7^1\times {\mathrm{131}}^1\times {\mathrm{373}}^1$

素因数の和:523

約数の個数: 40

約数和(自身を含む): 47788224

約数和(自身を除く): 20082903

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 131, 189, 373, 393, 567, 917, 1119, 1179, 2611, 2751, 3357, 3537, 7833, 8253, 10071, 10611, 23499, 24759, 30213, 48863, 70497, 74277, 146589, 211491, 342041, 439767, 1026123, 1319301, 3078369, 3957903, 9235107, 27705321]

約数ペア:

[(1, 27705321), (3, 9235107), (7, 3957903), (9, 3078369), (21, 1319301), (27, 1026123), (63, 439767), (81, 342041), (131, 211491), (189, 146589), (373, 74277), (393, 70497), (567, 48863), (917, 30213), (1119, 24759), (1179, 23499), (2611, 10611), (2751, 10071), (3357, 8253), (3537, 7833)]