71031555

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{3089}}^1$

素因数の和:3180

約数の個数: 48

約数和(自身を含む): 142683840

約数和(自身を除く): 71652285

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 73, 105, 219, 315, 365, 511, 657, 1095, 1533, 2555, 3089, 3285, 4599, 7665, 9267, 15445, 21623, 22995, 27801, 46335, 64869, 108115, 139005, 194607, 225497, 324345, 676491, 973035, 1127485, 1578479, 2029473, 3382455, 4735437, 7892395, 10147365, 14206311, 23677185, 71031555]

約数ペア:

[(1, 71031555), (3, 23677185), (5, 14206311), (7, 10147365), (9, 7892395), (15, 4735437), (21, 3382455), (35, 2029473), (45, 1578479), (63, 1127485), (73, 973035), (105, 676491), (219, 324345), (315, 225497), (365, 194607), (511, 139005), (657, 108115), (1095, 64869), (1533, 46335), (2555, 27801), (3089, 22995), (3285, 21623), (4599, 15445), (7665, 9267)]