1915693215

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{56039}}^1$

素因数の和:56143

約数の個数: 32

約数和(自身を含む): 3195624960

約数和(自身を除く): 1279931745

約数列:

[1, 3, 5, 15, 43, 53, 129, 159, 215, 265, 645, 795, 2279, 6837, 11395, 34185, 56039, 168117, 280195, 840585, 2409677, 2970067, 7229031, 8910201, 12048385, 14850335, 36145155, 44551005, 127712881, 383138643, 638564405, 1915693215]

約数ペア:

[(1, 1915693215), (3, 638564405), (5, 383138643), (15, 127712881), (43, 44551005), (53, 36145155), (129, 14850335), (159, 12048385), (215, 8910201), (265, 7229031), (645, 2970067), (795, 2409677), (2279, 840585), (6837, 280195), (11395, 168117), (34185, 56039)]