80870853

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{359}}^1\times {\mathrm{631}}^1$

素因数の和:1017

約数の個数: 32

約数和(自身を含む): 131051520

約数和(自身を除く): 50180667

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 359, 631, 1077, 1893, 2513, 4417, 6103, 7539, 10727, 13251, 18309, 32181, 42721, 75089, 128163, 225267, 226529, 679587, 1585703, 3850993, 4757109, 11552979, 26956951, 80870853]

約数ペア:

[(1, 80870853), (3, 26956951), (7, 11552979), (17, 4757109), (21, 3850993), (51, 1585703), (119, 679587), (357, 226529), (359, 225267), (631, 128163), (1077, 75089), (1893, 42721), (2513, 32181), (4417, 18309), (6103, 13251), (7539, 10727)]