51487215

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{1153}}^1$

素因数の和:1403

約数の個数: 32

約数和(自身を含む): 89181120

約数和(自身を除く): 37693905

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 229, 687, 1145, 1153, 2977, 3435, 3459, 5765, 8931, 14885, 14989, 17295, 44655, 44967, 74945, 224835, 264037, 792111, 1320185, 3432481, 3960555, 10297443, 17162405, 51487215]

約数ペア:

[(1, 51487215), (3, 17162405), (5, 10297443), (13, 3960555), (15, 3432481), (39, 1320185), (65, 792111), (195, 264037), (229, 224835), (687, 74945), (1145, 44967), (1153, 44655), (2977, 17295), (3435, 14989), (3459, 14885), (5765, 8931)]