80971275

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2003}}^1$

素因数の和:2041

約数の個数: 72

約数和(自身を含む): 169971264

約数和(自身を除く): 88999989

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 49, 55, 75, 77, 105, 147, 165, 175, 231, 245, 275, 385, 525, 539, 735, 825, 1155, 1225, 1617, 1925, 2003, 2695, 3675, 5775, 6009, 8085, 10015, 13475, 14021, 22033, 30045, 40425, 42063, 50075, 66099, 70105, 98147, 110165, 150225, 154231, 210315, 294441, 330495, 350525, 462693, 490735, 550825, 771155, 1051575, 1079617, 1472205, 1652475, 2313465, 2453675, 3238851, 3855775, 5398085, 7361025, 11567325, 16194255, 26990425, 80971275]

約数ペア:

[(1, 80971275), (3, 26990425), (5, 16194255), (7, 11567325), (11, 7361025), (15, 5398085), (21, 3855775), (25, 3238851), (33, 2453675), (35, 2313465), (49, 1652475), (55, 1472205), (75, 1079617), (77, 1051575), (105, 771155), (147, 550825), (165, 490735), (175, 462693), (231, 350525), (245, 330495), (275, 294441), (385, 210315), (525, 154231), (539, 150225), (735, 110165), (825, 98147), (1155, 70105), (1225, 66099), (1617, 50075), (1925, 42063), (2003, 40425), (2695, 30045), (3675, 22033), (5775, 14021), (6009, 13475), (8085, 10015)]