80251905

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1\times {\mathrm{383}}^1$

素因数の和:681

約数の個数: 32

約数和(自身を含む): 131420160

約数和(自身を除く): 51168255

約数列:

[1, 3, 5, 15, 61, 183, 229, 305, 383, 687, 915, 1145, 1149, 1915, 3435, 5745, 13969, 23363, 41907, 69845, 70089, 87707, 116815, 209535, 263121, 350445, 438535, 1315605, 5350127, 16050381, 26750635, 80251905]

約数ペア:

[(1, 80251905), (3, 26750635), (5, 16050381), (15, 5350127), (61, 1315605), (183, 438535), (229, 350445), (305, 263121), (383, 209535), (687, 116815), (915, 87707), (1145, 70089), (1149, 69845), (1915, 41907), (3435, 23363), (5745, 13969)]