2019955665

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{211403}}^1$

素因数の和:211438

約数の個数: 48

約数和(自身を含む): 4048809408

約数和(自身を除く): 2028853743

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 49, 65, 91, 105, 147, 195, 245, 273, 455, 637, 735, 1365, 1911, 3185, 9555, 211403, 634209, 1057015, 1479821, 2748239, 3171045, 4439463, 7399105, 8244717, 10358747, 13741195, 19237673, 22197315, 31076241, 41223585, 51793735, 57713019, 96188365, 134663711, 155381205, 288565095, 403991133, 673318555, 2019955665]

約数ペア:

[(1, 2019955665), (3, 673318555), (5, 403991133), (7, 288565095), (13, 155381205), (15, 134663711), (21, 96188365), (35, 57713019), (39, 51793735), (49, 41223585), (65, 31076241), (91, 22197315), (105, 19237673), (147, 13741195), (195, 10358747), (245, 8244717), (273, 7399105), (455, 4439463), (637, 3171045), (735, 2748239), (1365, 1479821), (1911, 1057015), (3185, 634209), (9555, 211403)]