61787469

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{173}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 90201600

約数和(自身を除く): 28414131

約数列:

[1, 3, 17, 47, 51, 141, 149, 173, 447, 519, 799, 2397, 2533, 2941, 7003, 7599, 8131, 8823, 21009, 24393, 25777, 77331, 119051, 138227, 357153, 414681, 438209, 1211519, 1314627, 3634557, 20595823, 61787469]

約数ペア:

[(1, 61787469), (3, 20595823), (17, 3634557), (47, 1314627), (51, 1211519), (141, 438209), (149, 414681), (173, 357153), (447, 138227), (519, 119051), (799, 77331), (2397, 25777), (2533, 24393), (2941, 21009), (7003, 8823), (7599, 8131)]