127980915

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1\times {\mathrm{1231}}^1$

素因数の和:1507

約数の個数: 32

約数和(自身を含む): 212889600

約数和(自身を除く): 84908685

約数列:

[1, 3, 5, 15, 29, 87, 145, 239, 435, 717, 1195, 1231, 3585, 3693, 6155, 6931, 18465, 20793, 34655, 35699, 103965, 107097, 178495, 294209, 535485, 882627, 1471045, 4413135, 8532061, 25596183, 42660305, 127980915]

約数ペア:

[(1, 127980915), (3, 42660305), (5, 25596183), (15, 8532061), (29, 4413135), (87, 1471045), (145, 882627), (239, 535485), (435, 294209), (717, 178495), (1195, 107097), (1231, 103965), (3585, 35699), (3693, 34655), (6155, 20793), (6931, 18465)]