409009215

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{4051}}^1$

素因数の和:4239

約数の個数: 32

約数和(自身を含む): 672178176

約数和(自身を除く): 263168961

約数列:

[1, 3, 5, 15, 53, 127, 159, 265, 381, 635, 795, 1905, 4051, 6731, 12153, 20193, 20255, 33655, 60765, 100965, 214703, 514477, 644109, 1073515, 1543431, 2572385, 3220545, 7717155, 27267281, 81801843, 136336405, 409009215]

約数ペア:

[(1, 409009215), (3, 136336405), (5, 81801843), (15, 27267281), (53, 7717155), (127, 3220545), (159, 2572385), (265, 1543431), (381, 1073515), (635, 644109), (795, 514477), (1905, 214703), (4051, 100965), (6731, 60765), (12153, 33655), (20193, 20255)]