200052909

素因数分解:

$3^6\times 7^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:421

約数の個数: 56

約数和(自身を含む): 346262400

約数和(自身を除く): 146209491

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 197, 199, 243, 567, 591, 597, 729, 1379, 1393, 1701, 1773, 1791, 4137, 4179, 5103, 5319, 5373, 12411, 12537, 15957, 16119, 37233, 37611, 39203, 47871, 48357, 111699, 112833, 117609, 143613, 145071, 274421, 335097, 338499, 352827, 823263, 1005291, 1015497, 1058481, 2469789, 3175443, 7409367, 9526329, 22228101, 28578987, 66684303, 200052909]

約数ペア:

[(1, 200052909), (3, 66684303), (7, 28578987), (9, 22228101), (21, 9526329), (27, 7409367), (63, 3175443), (81, 2469789), (189, 1058481), (197, 1015497), (199, 1005291), (243, 823263), (567, 352827), (591, 338499), (597, 335097), (729, 274421), (1379, 145071), (1393, 143613), (1701, 117609), (1773, 112833), (1791, 111699), (4137, 48357), (4179, 47871), (5103, 39203), (5319, 37611), (5373, 37233), (12411, 16119), (12537, 15957)]