427993215

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{541}}^1\times {\mathrm{4057}}^1$

素因数の和:4619

約数の個数: 32

約数和(自身を含む): 739010496

約数和(自身を除く): 311017281

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 541, 1623, 2705, 4057, 7033, 8115, 12171, 20285, 21099, 35165, 52741, 60855, 105495, 158223, 263705, 791115, 2194837, 6584511, 10974185, 28532881, 32922555, 85598643, 142664405, 427993215]

約数ペア:

[(1, 427993215), (3, 142664405), (5, 85598643), (13, 32922555), (15, 28532881), (39, 10974185), (65, 6584511), (195, 2194837), (541, 791115), (1623, 263705), (2705, 158223), (4057, 105495), (7033, 60855), (8115, 52741), (12171, 35165), (20285, 21099)]