1131265149

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{991}}^1\times {\mathrm{2861}}^1$

素因数の和:3881

約数の個数: 32

約数和(自身を含む): 1817026560

約数和(自身を除く): 685761411

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 991, 2861, 2973, 6937, 8583, 18829, 20027, 20811, 54359, 56487, 60081, 131803, 163077, 380513, 395409, 1141539, 2835251, 8505753, 19846757, 53869769, 59540271, 161609307, 377088383, 1131265149]

約数ペア:

[(1, 1131265149), (3, 377088383), (7, 161609307), (19, 59540271), (21, 53869769), (57, 19846757), (133, 8505753), (399, 2835251), (991, 1141539), (2861, 395409), (2973, 380513), (6937, 163077), (8583, 131803), (18829, 60081), (20027, 56487), (20811, 54359)]