69157921

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 87333120

約数和(自身を除く): 18175199

約数列:

[1, 7, 17, 37, 113, 119, 139, 259, 629, 791, 973, 1921, 2363, 4181, 4403, 5143, 13447, 15707, 16541, 29267, 36001, 71077, 87431, 109949, 267019, 497539, 581159, 612017, 1869133, 4068113, 9879703, 69157921]

約数ペア:

[(1, 69157921), (7, 9879703), (17, 4068113), (37, 1869133), (113, 612017), (119, 581159), (139, 497539), (259, 267019), (629, 109949), (791, 87431), (973, 71077), (1921, 36001), (2363, 29267), (4181, 16541), (4403, 15707), (5143, 13447)]