56155725

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:227

約数の個数: 72

約数和(自身を含む): 106159872

約数和(自身を除く): 50004147

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 75, 83, 93, 97, 155, 225, 249, 279, 291, 415, 465, 485, 747, 775, 873, 1245, 1395, 1455, 2075, 2325, 2425, 2573, 3007, 3735, 4365, 6225, 6975, 7275, 7719, 8051, 9021, 12865, 15035, 18675, 21825, 23157, 24153, 27063, 38595, 40255, 45105, 64325, 72459, 75175, 115785, 120765, 135315, 192975, 201275, 225525, 249581, 362295, 578925, 603825, 676575, 748743, 1247905, 1811475, 2246229, 3743715, 6239525, 11231145, 18718575, 56155725]

約数ペア:

[(1, 56155725), (3, 18718575), (5, 11231145), (9, 6239525), (15, 3743715), (25, 2246229), (31, 1811475), (45, 1247905), (75, 748743), (83, 676575), (93, 603825), (97, 578925), (155, 362295), (225, 249581), (249, 225525), (279, 201275), (291, 192975), (415, 135315), (465, 120765), (485, 115785), (747, 75175), (775, 72459), (873, 64325), (1245, 45105), (1395, 40255), (1455, 38595), (2075, 27063), (2325, 24153), (2425, 23157), (2573, 21825), (3007, 18675), (3735, 15035), (4365, 12865), (6225, 9021), (6975, 8051), (7275, 7719)]