209401497

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{5323}}^1$

素因数の和:5410

約数の個数: 32

約数和(自身を含む): 327106560

約数和(自身を除く): 117705063

約数列:

[1, 3, 9, 27, 31, 47, 93, 141, 279, 423, 837, 1269, 1457, 4371, 5323, 13113, 15969, 39339, 47907, 143721, 165013, 250181, 495039, 750543, 1485117, 2251629, 4455351, 6754887, 7755611, 23266833, 69800499, 209401497]

約数ペア:

[(1, 209401497), (3, 69800499), (9, 23266833), (27, 7755611), (31, 6754887), (47, 4455351), (93, 2251629), (141, 1485117), (279, 750543), (423, 495039), (837, 250181), (1269, 165013), (1457, 143721), (4371, 47907), (5323, 39339), (13113, 15969)]