20131518789

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{199}}^1\times {\mathrm{26573}}^1$

素因数の和:26831

約数の個数: 40

約数和(自身を含む): 30868358400

約数和(自身を除く): 10736839611

約数列:

[1, 3, 9, 27, 47, 81, 141, 199, 423, 597, 1269, 1791, 3807, 5373, 9353, 16119, 26573, 28059, 79719, 84177, 239157, 252531, 717471, 757593, 1248931, 2152413, 3746793, 5288027, 11240379, 15864081, 33721137, 47592243, 101163411, 142776729, 248537269, 428330187, 745611807, 2236835421, 6710506263, 20131518789]

約数ペア:

[(1, 20131518789), (3, 6710506263), (9, 2236835421), (27, 745611807), (47, 428330187), (81, 248537269), (141, 142776729), (199, 101163411), (423, 47592243), (597, 33721137), (1269, 15864081), (1791, 11240379), (3807, 5288027), (5373, 3746793), (9353, 2152413), (16119, 1248931), (26573, 757593), (28059, 717471), (79719, 252531), (84177, 239157)]