25521405

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2671}}^1$

素因数の和:2706

約数の個数: 48

約数和(自身を含む): 51174144

約数和(自身を除く): 25652739

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 49, 65, 91, 105, 147, 195, 245, 273, 455, 637, 735, 1365, 1911, 2671, 3185, 8013, 9555, 13355, 18697, 34723, 40065, 56091, 93485, 104169, 130879, 173615, 243061, 280455, 392637, 520845, 654395, 729183, 1215305, 1701427, 1963185, 3645915, 5104281, 8507135, 25521405]

約数ペア:

[(1, 25521405), (3, 8507135), (5, 5104281), (7, 3645915), (13, 1963185), (15, 1701427), (21, 1215305), (35, 729183), (39, 654395), (49, 520845), (65, 392637), (91, 280455), (105, 243061), (147, 173615), (195, 130879), (245, 104169), (273, 93485), (455, 56091), (637, 40065), (735, 34723), (1365, 18697), (1911, 13355), (2671, 9555), (3185, 8013)]