28910007

素因数分解:

$3^3\times 7^1\times {\mathrm{151}}^1\times {\mathrm{1013}}^1$

素因数の和:1180

約数の個数: 32

約数和(自身を含む): 49320960

約数和(自身を除く): 20410953

約数列:

[1, 3, 7, 9, 21, 27, 63, 151, 189, 453, 1013, 1057, 1359, 3039, 3171, 4077, 7091, 9117, 9513, 21273, 27351, 28539, 63819, 152963, 191457, 458889, 1070741, 1376667, 3212223, 4130001, 9636669, 28910007]

約数ペア:

[(1, 28910007), (3, 9636669), (7, 4130001), (9, 3212223), (21, 1376667), (27, 1070741), (63, 458889), (151, 191457), (189, 152963), (453, 63819), (1013, 28539), (1057, 27351), (1359, 21273), (3039, 9513), (3171, 9117), (4077, 7091)]