28704585

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1237}}^1$

素因数の和:1282

約数の個数: 64

約数和(自身を含む): 59899392

約数和(自身を除く): 31194807

約数列:

[1, 3, 5, 7, 13, 15, 17, 21, 35, 39, 51, 65, 85, 91, 105, 119, 195, 221, 255, 273, 357, 455, 595, 663, 1105, 1237, 1365, 1547, 1785, 3315, 3711, 4641, 6185, 7735, 8659, 16081, 18555, 21029, 23205, 25977, 43295, 48243, 63087, 80405, 105145, 112567, 129885, 147203, 241215, 273377, 315435, 337701, 441609, 562835, 736015, 820131, 1366885, 1688505, 1913639, 2208045, 4100655, 5740917, 9568195, 28704585]

約数ペア:

[(1, 28704585), (3, 9568195), (5, 5740917), (7, 4100655), (13, 2208045), (15, 1913639), (17, 1688505), (21, 1366885), (35, 820131), (39, 736015), (51, 562835), (65, 441609), (85, 337701), (91, 315435), (105, 273377), (119, 241215), (195, 147203), (221, 129885), (255, 112567), (273, 105145), (357, 80405), (455, 63087), (595, 48243), (663, 43295), (1105, 25977), (1237, 23205), (1365, 21029), (1547, 18555), (1785, 16081), (3315, 8659), (3711, 7735), (4641, 6185)]