2019915915

素因数分解:

$3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{331}}^1\times {\mathrm{1583}}^1$

素因数の和:2179

約数の個数: 32

約数和(自身を含む): 3256298496

約数和(自身を除く): 1236382581

約数列:

[1, 3, 5, 15, 257, 331, 771, 993, 1285, 1583, 1655, 3855, 4749, 4965, 7915, 23745, 85067, 255201, 406831, 425335, 523973, 1220493, 1276005, 1571919, 2034155, 2619865, 6102465, 7859595, 134661061, 403983183, 673305305, 2019915915]

約数ペア:

[(1, 2019915915), (3, 673305305), (5, 403983183), (15, 134661061), (257, 7859595), (331, 6102465), (771, 2619865), (993, 2034155), (1285, 1571919), (1583, 1276005), (1655, 1220493), (3855, 523973), (4749, 425335), (4965, 406831), (7915, 255201), (23745, 85067)]