427776965

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{2531}}^1$

素因数の和:2993

約数の個数: 32

約数和(自身を含む): 641710080

約数和(自身を除く): 213933115

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 439, 2195, 2531, 3073, 4829, 12655, 15365, 17717, 24145, 27841, 33803, 88585, 139205, 169015, 194887, 974435, 1111109, 5555545, 7777763, 12222199, 38888815, 61110995, 85555393, 427776965]

約数ペア:

[(1, 427776965), (5, 85555393), (7, 61110995), (11, 38888815), (35, 12222199), (55, 7777763), (77, 5555545), (385, 1111109), (439, 974435), (2195, 194887), (2531, 169015), (3073, 139205), (4829, 88585), (12655, 33803), (15365, 27841), (17717, 24145)]