2940405

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{887}}^1$

素因数の和:925

約数の個数: 32

約数和(自身を含む): 5370624

約数和(自身を除く): 2430219

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 887, 1105, 2661, 3315, 4435, 11531, 13305, 15079, 34593, 45237, 57655, 75395, 172965, 196027, 226185, 588081, 980135, 2940405]

約数ペア:

[(1, 2940405), (3, 980135), (5, 588081), (13, 226185), (15, 196027), (17, 172965), (39, 75395), (51, 57655), (65, 45237), (85, 34593), (195, 15079), (221, 13305), (255, 11531), (663, 4435), (887, 3315), (1105, 2661)]