127169847

素因数分解:

$3^2\times 7^2\times {\mathrm{457}}^1\times {\mathrm{631}}^1$

素因数の和:1108

約数の個数: 36

約数和(自身を含む): 214486896

約数和(自身を除く): 87317049

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 457, 631, 1371, 1893, 3199, 4113, 4417, 5679, 9597, 13251, 22393, 28791, 30919, 39753, 67179, 92757, 201537, 278271, 288367, 865101, 2018569, 2595303, 6055707, 14129983, 18167121, 42389949, 127169847]

約数ペア:

[(1, 127169847), (3, 42389949), (7, 18167121), (9, 14129983), (21, 6055707), (49, 2595303), (63, 2018569), (147, 865101), (441, 288367), (457, 278271), (631, 201537), (1371, 92757), (1893, 67179), (3199, 39753), (4113, 30919), (4417, 28791), (5679, 22393), (9597, 13251)]