25490403

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{379}}^1$

素因数の和:488

約数の個数: 32

約数和(自身を含む): 39398400

約数和(自身を除く): 13907997

約数列:

[1, 3, 9, 27, 47, 53, 141, 159, 379, 423, 477, 1137, 1269, 1431, 2491, 3411, 7473, 10233, 17813, 20087, 22419, 53439, 60261, 67257, 160317, 180783, 480951, 542349, 944089, 2832267, 8496801, 25490403]

約数ペア:

[(1, 25490403), (3, 8496801), (9, 2832267), (27, 944089), (47, 542349), (53, 480951), (141, 180783), (159, 160317), (379, 67257), (423, 60261), (477, 53439), (1137, 22419), (1269, 20087), (1431, 17813), (2491, 10233), (3411, 7473)]