71399025

素因数分解:

$3^2\times 5^2\times {\mathrm{223}}^1\times {\mathrm{1423}}^1$

素因数の和:1662

約数の個数: 36

約数和(自身を含む): 128547328

約数和(自身を除く): 57148303

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 223, 225, 669, 1115, 1423, 2007, 3345, 4269, 5575, 7115, 10035, 12807, 16725, 21345, 35575, 50175, 64035, 106725, 317329, 320175, 951987, 1586645, 2855961, 4759935, 7933225, 14279805, 23799675, 71399025]

約数ペア:

[(1, 71399025), (3, 23799675), (5, 14279805), (9, 7933225), (15, 4759935), (25, 2855961), (45, 1586645), (75, 951987), (223, 320175), (225, 317329), (669, 106725), (1115, 64035), (1423, 50175), (2007, 35575), (3345, 21345), (4269, 16725), (5575, 12807), (7115, 10035)]