520012515

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{12263}}^1$

素因数の和:12539

約数の個数: 32

約数和(自身を含む): 911264256

約数和(自身を除く): 391251741

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 257, 771, 1285, 2827, 3855, 8481, 12263, 14135, 36789, 42405, 61315, 134893, 183945, 404679, 674465, 2023395, 3151591, 9454773, 15757955, 34667501, 47273865, 104002503, 173337505, 520012515]

約数ペア:

[(1, 520012515), (3, 173337505), (5, 104002503), (11, 47273865), (15, 34667501), (33, 15757955), (55, 9454773), (165, 3151591), (257, 2023395), (771, 674465), (1285, 404679), (2827, 183945), (3855, 134893), (8481, 61315), (12263, 42405), (14135, 36789)]