26301975

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{421}}^1$

素因数の和:465

約数の個数: 72

約数和(自身を含む): 53688528

約数和(自身を除く): 27386553

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 35, 49, 51, 75, 85, 105, 119, 147, 175, 245, 255, 357, 421, 425, 525, 595, 735, 833, 1225, 1263, 1275, 1785, 2105, 2499, 2947, 2975, 3675, 4165, 6315, 7157, 8841, 8925, 10525, 12495, 14735, 20629, 20825, 21471, 31575, 35785, 44205, 50099, 61887, 62475, 73675, 103145, 107355, 150297, 178925, 221025, 250495, 309435, 350693, 515725, 536775, 751485, 1052079, 1252475, 1547175, 1753465, 3757425, 5260395, 8767325, 26301975]

約数ペア:

[(1, 26301975), (3, 8767325), (5, 5260395), (7, 3757425), (15, 1753465), (17, 1547175), (21, 1252475), (25, 1052079), (35, 751485), (49, 536775), (51, 515725), (75, 350693), (85, 309435), (105, 250495), (119, 221025), (147, 178925), (175, 150297), (245, 107355), (255, 103145), (357, 73675), (421, 62475), (425, 61887), (525, 50099), (595, 44205), (735, 35785), (833, 31575), (1225, 21471), (1263, 20825), (1275, 20629), (1785, 14735), (2105, 12495), (2499, 10525), (2947, 8925), (2975, 8841), (3675, 7157), (4165, 6315)]