69675921

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 120077568

約数和(自身を除く): 50401647

約数列:

[1, 3, 7, 9, 21, 37, 63, 71, 111, 213, 259, 333, 421, 497, 639, 777, 1263, 1491, 2331, 2627, 2947, 3789, 4473, 7881, 8841, 15577, 18389, 23643, 26523, 29891, 46731, 55167, 89673, 109039, 140193, 165501, 209237, 269019, 327117, 627711, 981351, 1105967, 1883133, 3317901, 7741769, 9953703, 23225307, 69675921]

約数ペア:

[(1, 69675921), (3, 23225307), (7, 9953703), (9, 7741769), (21, 3317901), (37, 1883133), (63, 1105967), (71, 981351), (111, 627711), (213, 327117), (259, 269019), (333, 209237), (421, 165501), (497, 140193), (639, 109039), (777, 89673), (1263, 55167), (1491, 46731), (2331, 29891), (2627, 26523), (2947, 23643), (3789, 18389), (4473, 15577), (7881, 8841)]