13839315

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{991}}^1$

素因数の和:1032

約数の個数: 48

約数和(自身を含む): 27141120

約数和(自身を除く): 13301805

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 57, 95, 105, 133, 147, 245, 285, 399, 665, 735, 931, 991, 1995, 2793, 2973, 4655, 4955, 6937, 13965, 14865, 18829, 20811, 34685, 48559, 56487, 94145, 104055, 131803, 145677, 242795, 282435, 395409, 659015, 728385, 922621, 1977045, 2767863, 4613105, 13839315]

約数ペア:

[(1, 13839315), (3, 4613105), (5, 2767863), (7, 1977045), (15, 922621), (19, 728385), (21, 659015), (35, 395409), (49, 282435), (57, 242795), (95, 145677), (105, 131803), (133, 104055), (147, 94145), (245, 56487), (285, 48559), (399, 34685), (665, 20811), (735, 18829), (931, 14865), (991, 13965), (1995, 6937), (2793, 4955), (2973, 4655)]