7980945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2621}}^1$

素因数の和:2665

約数の個数: 32

約数和(自身を含む): 15102720

約数和(自身を除く): 7121775

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 87, 105, 145, 203, 435, 609, 1015, 2621, 3045, 7863, 13105, 18347, 39315, 55041, 76009, 91735, 228027, 275205, 380045, 532063, 1140135, 1596189, 2660315, 7980945]

約数ペア:

[(1, 7980945), (3, 2660315), (5, 1596189), (7, 1140135), (15, 532063), (21, 380045), (29, 275205), (35, 228027), (87, 91735), (105, 76009), (145, 55041), (203, 39315), (435, 18347), (609, 13105), (1015, 7863), (2621, 3045)]