390996885

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{569}}^1\times {\mathrm{751}}^1$

素因数の和:1389

約数の個数: 32

約数和(自身を含む): 637816320

約数和(自身を除く): 246819435

約数列:

[1, 3, 5, 15, 61, 183, 305, 569, 751, 915, 1707, 2253, 2845, 3755, 8535, 11265, 34709, 45811, 104127, 137433, 173545, 229055, 427319, 520635, 687165, 1281957, 2136595, 6409785, 26066459, 78199377, 130332295, 390996885]

約数ペア:

[(1, 390996885), (3, 130332295), (5, 78199377), (15, 26066459), (61, 6409785), (183, 2136595), (305, 1281957), (569, 687165), (751, 520635), (915, 427319), (1707, 229055), (2253, 173545), (2845, 137433), (3755, 104127), (8535, 45811), (11265, 34709)]