82689873

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1\times {\mathrm{421}}^1$

素因数の和:677

約数の個数: 32

約数和(自身を含む): 129638400

約数和(自身を除く): 46948527

約数列:

[1, 3, 7, 21, 47, 141, 199, 329, 421, 597, 987, 1263, 1393, 2947, 4179, 8841, 9353, 19787, 28059, 59361, 65471, 83779, 138509, 196413, 251337, 415527, 586453, 1759359, 3937613, 11812839, 27563291, 82689873]

約数ペア:

[(1, 82689873), (3, 27563291), (7, 11812839), (21, 3937613), (47, 1759359), (141, 586453), (199, 415527), (329, 251337), (421, 196413), (597, 138509), (987, 83779), (1263, 65471), (1393, 59361), (2947, 28059), (4179, 19787), (8841, 9353)]