402747

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:222

約数の個数: 16

約数和(自身を含む): 583200

約数和(自身を除く): 180453

約数列:

[1, 3, 17, 51, 53, 149, 159, 447, 901, 2533, 2703, 7599, 7897, 23691, 134249, 402747]

約数ペア:

[(1, 402747), (3, 134249), (17, 23691), (51, 7897), (53, 7599), (149, 2703), (159, 2533), (447, 901)]