28983045

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1249}}^1$

素因数の和:1294

約数の個数: 64

約数和(自身を含む): 60480000

約数和(自身を除く): 31496955

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, 1249, 1365, 1547, 1785, 3315, 3747, 4641, 6245, 7735, 8743, 16237, 18735, 21233, 23205, 26229, 43715, 48711, 63699, 81185, 106165, 113659, 131145, 148631, 243555, 276029, 318495, 340977, 445893, 568295, 743155, 828087, 1380145, 1704885, 1932203, 2229465, 4140435, 5796609, 9661015, 28983045]

約数ペア:

[(1, 28983045), (3, 9661015), (5, 5796609), (7, 4140435), (13, 2229465), (15, 1932203), (17, 1704885), (21, 1380145), (35, 828087), (39, 743155), (51, 568295), (65, 445893), (85, 340977), (91, 318495), (105, 276029), (119, 243555), (195, 148631), (221, 131145), (255, 113659), (273, 106165), (357, 81185), (455, 63699), (595, 48711), (663, 43715), (1105, 26229), (1249, 23205), (1365, 21233), (1547, 18735), (1785, 16237), (3315, 8743), (3747, 7735), (4641, 6245)]