201980805

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{4909}}^1$

素因数の和:5141

約数の個数: 32

約数和(自身を含む): 349749120

約数和(自身を除く): 147768315

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 211, 633, 1055, 2743, 3165, 4909, 8229, 13715, 14727, 24545, 41145, 63817, 73635, 191451, 319085, 957255, 1035799, 3107397, 5178995, 13465387, 15536985, 40396161, 67326935, 201980805]

約数ペア:

[(1, 201980805), (3, 67326935), (5, 40396161), (13, 15536985), (15, 13465387), (39, 5178995), (65, 3107397), (195, 1035799), (211, 957255), (633, 319085), (1055, 191451), (2743, 73635), (3165, 63817), (4909, 41145), (8229, 24545), (13715, 14727)]