87519315

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{1553}}^1$

素因数の和:1608

約数の個数: 48

約数和(自身を含む): 160298208

約数和(自身を除く): 72778893

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 289, 663, 867, 1105, 1445, 1553, 3315, 3757, 4335, 4659, 7765, 11271, 18785, 20189, 23295, 26401, 56355, 60567, 79203, 100945, 132005, 302835, 343213, 396015, 448817, 1029639, 1346451, 1716065, 2244085, 5148195, 5834621, 6732255, 17503863, 29173105, 87519315]

約数ペア:

[(1, 87519315), (3, 29173105), (5, 17503863), (13, 6732255), (15, 5834621), (17, 5148195), (39, 2244085), (51, 1716065), (65, 1346451), (85, 1029639), (195, 448817), (221, 396015), (255, 343213), (289, 302835), (663, 132005), (867, 100945), (1105, 79203), (1445, 60567), (1553, 56355), (3315, 26401), (3757, 23295), (4335, 20189), (4659, 18785), (7765, 11271)]