13187529

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:247

約数の個数: 40

約数和(自身を含む): 21335688

約数和(自身を除く): 8148159

約数列:

[1, 3, 9, 17, 27, 51, 61, 81, 153, 157, 183, 459, 471, 549, 1037, 1377, 1413, 1647, 2669, 3111, 4239, 4941, 8007, 9333, 9577, 12717, 24021, 27999, 28731, 72063, 83997, 86193, 162809, 216189, 258579, 488427, 775737, 1465281, 4395843, 13187529]

約数ペア:

[(1, 13187529), (3, 4395843), (9, 1465281), (17, 775737), (27, 488427), (51, 258579), (61, 216189), (81, 162809), (153, 86193), (157, 83997), (183, 72063), (459, 28731), (471, 27999), (549, 24021), (1037, 12717), (1377, 9577), (1413, 9333), (1647, 8007), (2669, 4941), (3111, 4239)]