161720153

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1823}}^1$

素因数の和:1901

約数の個数: 32

約数和(自身を含む): 210124800

約数和(自身を除く): 48404647

約数列:

[1, 7, 19, 23, 29, 133, 161, 203, 437, 551, 667, 1823, 3059, 3857, 4669, 12673, 12761, 34637, 41929, 52867, 88711, 242459, 293503, 370069, 796651, 1004473, 1215941, 5576557, 7031311, 8511587, 23102879, 161720153]

約数ペア:

[(1, 161720153), (7, 23102879), (19, 8511587), (23, 7031311), (29, 5576557), (133, 1215941), (161, 1004473), (203, 796651), (437, 370069), (551, 293503), (667, 242459), (1823, 88711), (3059, 52867), (3857, 41929), (4669, 34637), (12673, 12761)]